22102112112212 has 36 divisors (see below), whose sum is σ = 42515388756960. Its totient is φ = 10046228198160.

The previous prime is 22102112112149. The next prime is 22102112112221. The reversal of 22102112112212 is 21221121120122.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 27603239 + ... + 28392657.

Almost surely, 2^{22102112112212} is an apocalyptic number.

22102112112212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102112112212 is a deficient number, since it is larger than the sum of its proper divisors (20413276644748).

22102112112212 is a wasteful number, since it uses less digits than its factorization.

22102112112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847292 (or 847279 counting only the distinct ones).

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

Adding to 22102112112212 its reverse (21221121120122), we get a palindrome (43323233232334).

The spelling of 22102112112212 in words is "twenty-two trillion, one hundred two billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".