201000022122112 has 64 divisors (see below), whose sum is σ = 412952123419200. Its totient is φ = 97405119078400.

The previous prime is 201000022122049. The next prime is 201000022122143. The reversal of 201000022122112 is 211221220000102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 186896689 + ... + 187969072.

It is an arithmetic number, because the mean of its divisors is an integer number (6452376928425).

Almost surely, 2^{201000022122112} is an apocalyptic number.

It is an amenable number.

201000022122112 is an abundant number, since it is smaller than the sum of its proper divisors (211952101297088).

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

201000022122112 is an equidigital number, since it uses as much as digits as its factorization.

201000022122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374865905 (or 374865893 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201000022122112 its reverse (211221220000102), we get a palindrome (412221242122214).

The spelling of 201000022122112 in words is "two hundred one trillion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".