102210111112 has 32 divisors (see below), whose sum is σ = 196026482520. Its totient is φ = 49947056640.

The previous prime is 102210111077. The next prime is 102210111163. The reversal of 102210111112 is 211111012201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36943146436 + 65266964676 = 192206^2 + 255474^2 .

It is a super-3 number, since 3×102210111112³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210111092 and 102210111101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590413 + ... + 743644.

Almost surely, 2^102210111112 is an apocalyptic number.

It is an amenable number.

102210111112 is a deficient number, since it is larger than the sum of its proper divisors (93816371408).

102210111112 is a wasteful number, since it uses less digits than its factorization.

102210111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334281 (or 1334277 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102210111112 its reverse (211111012201), we get a palindrome (313321123313).

The spelling of 102210111112 in words is "one hundred two billion, two hundred ten million, one hundred eleven thousand, one hundred twelve".