202100112102 has 32 divisors (see below), whose sum is σ = 462161935872. Its totient is φ = 57715536384.

The previous prime is 202100112023. The next prime is 202100112103. The reversal of 202100112102 is 201211001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100112103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049898 + ... + 1227389.

It is an arithmetic number, because the mean of its divisors is an integer number (14442560496).

Almost surely, 2^202100112102 is an apocalyptic number.

202100112102 is an abundant number, since it is smaller than the sum of its proper divisors (260061823770).

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

202100112102 is a wasteful number, since it uses less digits than its factorization.

202100112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279412.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202100112102 its reverse (201211001202), we get a palindrome (403311113304).

The spelling of 202100112102 in words is "two hundred two billion, one hundred million, one hundred twelve thousand, one hundred two".