202101121112 has 32 divisors (see below), whose sum is σ = 413411573520. Its totient is φ = 91859053440.

The previous prime is 202101121021. The next prime is 202101121151. The reversal of 202101121112 is 211121101202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861838 + ... + 1967394.

Almost surely, 2^202101121112 is an apocalyptic number.

202101121112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202101121112 is an abundant number, since it is smaller than the sum of its proper divisors (211310452408).

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

202101121112 is a wasteful number, since it uses less digits than its factorization.

202101121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127331 (or 127327 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202101121112 its reverse (211121101202), we get a palindrome (413222222314).

The spelling of 202101121112 in words is "two hundred two billion, one hundred one million, one hundred twenty-one thousand, one hundred twelve".