102222121112 has 32 divisors (see below), whose sum is σ = 198807404400. Its totient is φ = 49216266624.

The previous prime is 102222121091. The next prime is 102222121123. The reversal of 102222121112 is 211121222201.

It is a super-2 number, since 2×102222121112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504098 + ... + 677169.

Almost surely, 2^102222121112 is an apocalyptic number.

It is an amenable number.

102222121112 is a deficient number, since it is larger than the sum of its proper divisors (96585283288).

102222121112 is a wasteful number, since it uses less digits than its factorization.

102222121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181675 (or 1181671 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102222121112 its reverse (211121222201), we get a palindrome (313343343313).

The spelling of 102222121112 in words is "one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".