201020202112112 has 40 divisors (see below), whose sum is σ = 399333258712752. Its totient is φ = 97970847321600.

The previous prime is 201020202112043. The next prime is 201020202112127. The reversal of 201020202112112 is 211211202020102.

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, 136435214 + ... + 137900717.

Almost surely, 2^{201020202112112} is an apocalyptic number.

It is an amenable number.

201020202112112 is a deficient number, since it is larger than the sum of its proper divisors (198313056600640).

201020202112112 is a wasteful number, since it uses less digits than its factorization.

201020202112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274337097 (or 274337091 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201020202112112 its reverse (211211202020102), we get a palindrome (412231404132214).

The spelling of 201020202112112 in words is "two hundred one trillion, twenty billion, two hundred two million, one hundred twelve thousand, one hundred twelve".