202102322112 has 84 divisors (see below), whose sum is σ = 585798838560. Its totient is φ = 66610486272.

The previous prime is 202102322111. The next prime is 202102322117. The reversal of 202102322112 is 211223201202.

202102322112 is a `hidden beast` number, since 20 + 210 + 2 + 322 + 112 = 666.

202102322112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102322111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1919928 + ... + 2022455.

Almost surely, 2^202102322112 is an apocalyptic number.

It is an amenable number.

202102322112 is an abundant number, since it is smaller than the sum of its proper divisors (383696516448).

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

202102322112 is a wasteful number, since it uses less digits than its factorization.

202102322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942490 (or 3942477 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202102322112 its reverse (211223201202), we get a palindrome (413325523314).

The spelling of 202102322112 in words is "two hundred two billion, one hundred two million, three hundred twenty-two thousand, one hundred twelve".