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102221212212110 = 2579129393939509
BaseRepresentation
bin10111001111100000111011…
…000010101101101110001110
3111101221020211000222002101202
4113033200323002231232032
5101344243020311241420
61001223435425105502
730350144634341315
oct2717407302555616
9441836730862352
10102221212212110
112a630855435072
12b56b1a5188292
13450655a582c84
141b35766a5727c
15bc401d0db575
hex5cf83b0adb8e

102221212212110 has 16 divisors (see below), whose sum is σ = 186327272894400. Its totient is φ = 40370909126496.

The previous prime is 102221212212089. The next prime is 102221212212113. The reversal of 102221212212110 is 11212212122201.

102221212212110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022212122121102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221212212113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64696968965 + ... + 64696970544.

It is an arithmetic number, because the mean of its divisors is an integer number (11645454555900).

Almost surely, 2102221212212110 is an apocalyptic number.

102221212212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221212212110 is a deficient number, since it is larger than the sum of its proper divisors (84106060682290).

102221212212110 is a wasteful number, since it uses less digits than its factorization.

102221212212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129393939595.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102221212212110 its reverse (11212212122201), we get a palindrome (113433424334311).

The spelling of 102221212212110 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 79 158 395 790 129393939509 258787879018 646969697545 1293939395090 10222121221211 20444242442422 51110606106055 102221212212110