102222111021112 has 32 divisors (see below), whose sum is σ = 192821281304400. Its totient is φ = 50803351743744.

The previous prime is 102222111021091. The next prime is 102222111021181. The reversal of 102222111021112 is 211120111222201.

It is a happy number.

It is a super-2 number, since 2×102222111021112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102222111021112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12282093 + ... + 18849244.

Almost surely, 2^{102222111021112} is an apocalyptic number.

It is an amenable number.

102222111021112 is a deficient number, since it is larger than the sum of its proper divisors (90599170283288).

102222111021112 is a wasteful number, since it uses less digits than its factorization.

102222111021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31133815 (or 31133811 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102222111021112 its reverse (211120111222201), we get a palindrome (313342222243313).

The spelling of 102222111021112 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred eleven million, twenty-one thousand, one hundred twelve".