202101122021112 has 24 divisors (see below), whose sum is σ = 547357205474040. Its totient is φ = 67367040673680.

The previous prime is 202101122021027. The next prime is 202101122021131. The reversal of 202101122021112 is 211120221101202.

202101122021112 is a `hidden beast` number, since 2 + 0 + 210 + 11 + 220 + 211 + 12 = 666.

202101122021112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1403480013964 + ... + 1403480014107.

It is an arithmetic number, because the mean of its divisors is an integer number (22806550228085).

Almost surely, 2^{202101122021112} is an apocalyptic number.

It is an amenable number.

202101122021112 is an abundant number, since it is smaller than the sum of its proper divisors (345256083452928).

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

202101122021112 is a wasteful number, since it uses less digits than its factorization.

202101122021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806960028083 (or 2806960028076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202101122021112 its reverse (211120221101202), we get a palindrome (413221343122314).

The spelling of 202101122021112 in words is "two hundred two trillion, one hundred one billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".