201020111112212 has 48 divisors (see below), whose sum is σ = 410353009449600. Its totient is φ = 86128820398656.

The previous prime is 201020111112203. The next prime is 201020111112229. The reversal of 201020111112212 is 212211111020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14045513 + ... + 24480944.

It is an arithmetic number, because the mean of its divisors is an integer number (8549021030200).

Almost surely, 2^{201020111112212} is an apocalyptic number.

It is an amenable number.

201020111112212 is an abundant number, since it is smaller than the sum of its proper divisors (209332898337388).

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

201020111112212 is a wasteful number, since it uses less digits than its factorization.

201020111112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38530285 (or 38530269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201020111112212 its reverse (212211111020102), we get a palindrome (413231222132314).

The spelling of 201020111112212 in words is "two hundred one trillion, twenty billion, one hundred eleven million, one hundred twelve thousand, two hundred twelve".