102210020112112 has 40 divisors (see below), whose sum is σ = 216073581856560. Its totient is φ = 46450763143680.

The previous prime is 102210020112103. The next prime is 102210020112113. The reversal of 102210020112112 is 211211020012201.

It is a super-2 number, since 2×102210020112112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210020112113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51122037 + ... + 53083732.

It is an arithmetic number, because the mean of its divisors is an integer number (5401839546414).

Almost surely, 2^{102210020112112} is an apocalyptic number.

It is an amenable number.

102210020112112 is an abundant number, since it is smaller than the sum of its proper divisors (113863561744448).

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

102210020112112 is a wasteful number, since it uses less digits than its factorization.

102210020112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104211361 (or 104211355 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102210020112112 its reverse (211211020012201), we get a palindrome (313421040124313).

The spelling of 102210020112112 in words is "one hundred two trillion, two hundred ten billion, twenty million, one hundred twelve thousand, one hundred twelve".