222102122122112 has 32 divisors (see below), whose sum is σ = 465756917284200. Its totient is φ = 105206268372480.

The previous prime is 222102122122103. The next prime is 222102122122141. The reversal of 222102122122112 is 211221221201222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×222102122122112² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 45662440439 + ... + 45662445302.

Almost surely, 2^{222102122122112} is an apocalyptic number.

It is an amenable number.

222102122122112 is an abundant number, since it is smaller than the sum of its proper divisors (243654795162088).

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

222102122122112 is an equidigital number, since it uses as much as digits as its factorization.

222102122122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91324885774 (or 91324885762 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222102122122112 its reverse (211221221201222), we get a palindrome (433323343323334).

The spelling of 222102122122112 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".