202112102021112 has 24 divisors (see below), whose sum is σ = 547386942974040. Its totient is φ = 67370700673680.

The previous prime is 202112102021057. The next prime is 202112102021113. The reversal of 202112102021112 is 211120201211202.

202112102021112 is a `hidden beast` number, since 2 + 0 + 211 + 210 + 20 + 211 + 12 = 666.

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 not an unprimeable number, because it can be changed into a prime (202112102021113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1403556263964 + ... + 1403556264107.

It is an arithmetic number, because the mean of its divisors is an integer number (22807789290585).

Almost surely, 2^{202112102021112} is an apocalyptic number.

It is an amenable number.

202112102021112 is an abundant number, since it is smaller than the sum of its proper divisors (345274840952928).

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

202112102021112 is a wasteful number, since it uses less digits than its factorization.

202112102021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807112528083 (or 2807112528076 counting only the distinct ones).

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

Adding to 202112102021112 its reverse (211120201211202), we get a palindrome (413232303232314).

The spelling of 202112102021112 in words is "two hundred two trillion, one hundred twelve billion, one hundred two million, twenty-one thousand, one hundred twelve".