201012002221122 has 48 divisors (see below), whose sum is σ = 442267514208000. Its totient is φ = 65971570534272.

The previous prime is 201012002221097. The next prime is 201012002221127. The reversal of 201012002221122 is 221122200210102.

It is a happy number.

201012002221122 is a `hidden beast` number, since 20 + 101 + 200 + 2 + 221 + 122 = 666.

201012002221122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201012002221122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201012002221095 and 201012002221104.

It is not an unprimeable number, because it can be changed into a prime (201012002221127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196367847 + ... + 197388842.

It is an arithmetic number, because the mean of its divisors is an integer number (9213906546000).

Almost surely, 2^{201012002221122} is an apocalyptic number.

201012002221122 is an abundant number, since it is smaller than the sum of its proper divisors (241255511986878).

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

201012002221122 is a wasteful number, since it uses less digits than its factorization.

201012002221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393757135 (or 393757132 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201012002221122 its reverse (221122200210102), we get a palindrome (422134202431224).

It can be divided in two parts, 20101200 and 2221122, that added together give a palindrome (22322322).

The spelling of 201012002221122 in words is "two hundred one trillion, twelve billion, two million, two hundred twenty-one thousand, one hundred twenty-two".