202102012100112 has 20 divisors (see below), whose sum is σ = 522096864592080. Its totient is φ = 67367337366688.

The previous prime is 202102012100089. The next prime is 202102012100113. The reversal of 202102012100112 is 211001210201202.

It is a junction number, because it is equal to n+sod(n) for n = 202102012100091 and 202102012100100.

It is not an unprimeable number, because it can be changed into a prime (202102012100113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105229292662 + ... + 2105229292757.

It is an arithmetic number, because the mean of its divisors is an integer number (26104843229604).

Almost surely, 2^{202102012100112} is an apocalyptic number.

It is an amenable number.

202102012100112 is an abundant number, since it is smaller than the sum of its proper divisors (319994852491968).

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

202102012100112 is a wasteful number, since it uses less digits than its factorization.

202102012100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210458585430 (or 4210458585424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202102012100112 its reverse (211001210201202), we get a palindrome (413103222301314).

The spelling of 202102012100112 in words is "two hundred two trillion, one hundred two billion, twelve million, one hundred thousand, one hundred twelve".