22102111021012 has 96 divisors (see below), whose sum is σ = 43745236254720. Its totient is φ = 9683581864320.

The previous prime is 22102111020971. The next prime is 22102111021021. The reversal of 22102111021012 is 21012011120122.

It is a super-2 number, since 2×22102111021012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298450573 + ... + 298524619.

It is an arithmetic number, because the mean of its divisors is an integer number (455679544320).

Almost surely, 2^{22102111021012} is an apocalyptic number.

22102111021012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102111021012 is a deficient number, since it is larger than the sum of its proper divisors (21643125233708).

22102111021012 is a wasteful number, since it uses less digits than its factorization.

22102111021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76181 (or 76179 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22102111021012 its reverse (21012011120122), we get a palindrome (43114122141134).

The spelling of 22102111021012 in words is "twenty-two trillion, one hundred two billion, one hundred eleven million, twenty-one thousand, twelve".