201011021112 has 64 divisors (see below), whose sum is σ = 561582927360. Its totient is φ = 59426758400.

The previous prime is 201011021083. The next prime is 201011021117. The reversal of 201011021112 is 211120110102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011021117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9274608 + ... + 9296255.

It is an arithmetic number, because the mean of its divisors is an integer number (8774733240).

Almost surely, 2^201011021112 is an apocalyptic number.

201011021112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201011021112 is an abundant number, since it is smaller than the sum of its proper divisors (360571906248).

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

201011021112 is a wasteful number, since it uses less digits than its factorization.

201011021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570924 (or 18570920 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201011021112 its reverse (211120110102), we get a palindrome (412131131214).

The spelling of 201011021112 in words is "two hundred one billion, eleven million, twenty-one thousand, one hundred twelve".