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1011020222212 = 2271113541466733
BaseRepresentation
bin11101011011001011000…
…00000100111100000100
310120122121201220201101021
432231211200010330010
5113031032134102322
62052242320040524
7133021011044530
oct16554540047404
93518551821337
101011020222212
1135a853615a60
12143b38763144
13744534537a0
1436d0dc9cbc0
151b473e9c4c7
hexeb65804f04

1011020222212 has 96 divisors (see below), whose sum is σ = 2379940141824. Its totient is φ = 362930803200.

The previous prime is 1011020222203. The next prime is 1011020222297. The reversal of 1011020222212 is 2122220201101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1932798 + ... + 2399530.

It is an arithmetic number, because the mean of its divisors is an integer number (24791043144).

Almost surely, 21011020222212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011020222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189970070912).

1011020222212 is an abundant number, since it is smaller than the sum of its proper divisors (1368919919612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011020222212 is a wasteful number, since it uses less digits than its factorization.

1011020222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467309 (or 467307 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1011020222212 its reverse (2122220201101), we get a palindrome (3133240423313).

The spelling of 1011020222212 in words is "one trillion, eleven billion, twenty million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 541 572 1001 1082 2002 2164 3787 4004 5951 7033 7574 11902 14066 15148 23804 28132 41657 49231 77363 83314 98462 154726 166628 196924 309452 466733 541541 933466 1083082 1866932 2166164 3267131 5134063 6067529 6534262 10268126 12135058 13068524 20536252 24270116 35938441 42472703 66742819 71876882 84945406 133485638 143753764 169890812 252502553 266971276 467199733 505005106 934399466 1010010212 1767517871 1868798932 2777528083 3282533189 3535035742 5555056166 6565066378 7070071484 11110112332 13130132756 19442696581 22977732323 36107865079 38885393162 45955464646 72215730158 77770786324 91910929292 144431460316 252755055553 505510111106 1011020222212