202102012001112 has 128 divisors (see below), whose sum is σ = 517961392128000. Its totient is φ = 65694090147840.

The previous prime is 202102012001077. The next prime is 202102012001117. The reversal of 202102012001112 is 211100210201202.

It is a junction number, because it is equal to n+sod(n) for n = 202102012001091 and 202102012001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102012001117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4071411189 + ... + 4071460827.

It is an arithmetic number, because the mean of its divisors is an integer number (4046573376000).

Almost surely, 2^{202102012001112} is an apocalyptic number.

It is an amenable number.

202102012001112 is an abundant number, since it is smaller than the sum of its proper divisors (315859380126888).

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

202102012001112 is a wasteful number, since it uses less digits than its factorization.

202102012001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75921 (or 75917 counting only the distinct ones).

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

Adding to 202102012001112 its reverse (211100210201202), we get a palindrome (413202222202314).

The spelling of 202102012001112 in words is "two hundred two trillion, one hundred two billion, twelve million, one thousand, one hundred twelve".