201122210021122 has 32 divisors (see below), whose sum is σ = 341109128606400. Its totient is φ = 88287068536128.

The previous prime is 201122210021069. The next prime is 201122210021141. The reversal of 201122210021122 is 221120012221102.

201122210021122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201122210021122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201122210021122.

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, 1990548972 + ... + 1990650007.

It is an arithmetic number, because the mean of its divisors is an integer number (10659660268950).

Almost surely, 2^{201122210021122} is an apocalyptic number.

201122210021122 is a deficient number, since it is larger than the sum of its proper divisors (139986918585278).

201122210021122 is a wasteful number, since it uses less digits than its factorization.

201122210021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981199090.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201122210021122 its reverse (221120012221102), we get a palindrome (422242222242224).

The spelling of 201122210021122 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred ten million, twenty-one thousand, one hundred twenty-two".