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1210121011022 = 271143118231853
BaseRepresentation
bin10001100111000000110…
…101010011111101001110
311021200112102011202000112
4101213000311103331032
5124311311434323042
62323531045000022
7153266632606550
oct21470065237516
94250472152015
101210121011022
11427233843510
121766430b3012
138a163394321
14427da78b4d0
15217284ed982
hex119c0d53f4e

1210121011022 has 32 divisors (see below), whose sum is σ = 2268334347264. Its totient is φ = 470381781600.

The previous prime is 1210121011007. The next prime is 1210121011031. The reversal of 1210121011022 is 2201101210121.

It is a super-2 number, since 2×12101210110222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1210121010988 and 1210121011006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9049553 + ... + 9182300.

It is an arithmetic number, because the mean of its divisors is an integer number (70885448352).

Almost surely, 21210121011022 is an apocalyptic number.

1210121011022 is a deficient number, since it is larger than the sum of its proper divisors (1058213336242).

1210121011022 is a wasteful number, since it uses less digits than its factorization.

1210121011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18232304.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210121011022 its reverse (2201101210121), we get a palindrome (3411222221143).

The spelling of 1210121011022 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, eleven thousand, twenty-two".

Divisors: 1 2 7 11 14 22 77 154 431 862 3017 4741 6034 9482 33187 66374 18231853 36463706 127622971 200550383 255245942 401100766 1403852681 2807705362 7857928643 15715857286 55005500501 86437215073 110011001002 172874430146 605060505511 1210121011022