202120022021112 has 96 divisors (see below), whose sum is σ = 620543927312400. Its totient is φ = 58917577264128.

The previous prime is 202120022021089. The next prime is 202120022021119. The reversal of 202120022021112 is 211120220021202.

It is a happy number.

202120022021112 is a `hidden beast` number, since 2 + 0 + 21 + 200 + 220 + 211 + 12 = 666.

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 (202120022021119) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5682618913 + ... + 5682654480.

Almost surely, 2^{202120022021112} is an apocalyptic number.

It is an amenable number.

202120022021112 is an abundant number, since it is smaller than the sum of its proper divisors (418423905291288).

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

202120022021112 is a wasteful number, since it uses less digits than its factorization.

202120022021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365273437 (or 11365273430 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202120022021112 its reverse (211120220021202), we get a palindrome (413240242042314).

The spelling of 202120022021112 in words is "two hundred two trillion, one hundred twenty billion, twenty-two million, twenty-one thousand, one hundred twelve".