201123220311122 has 32 divisors (see below), whose sum is σ = 314950510338048. Its totient is φ = 96143864614336.

The previous prime is 201123220311077. The next prime is 201123220311127. The reversal of 201123220311122 is 221113022321102.

201123220311122 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201123220311122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (201123220311127) 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, 893677103 + ... + 893902125.

It is an arithmetic number, because the mean of its divisors is an integer number (9842203448064).

Almost surely, 2^{201123220311122} is an apocalyptic number.

201123220311122 is a deficient number, since it is larger than the sum of its proper divisors (113827290026926).

201123220311122 is a wasteful number, since it uses less digits than its factorization.

201123220311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234154.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201123220311122 its reverse (221113022321102), we get a palindrome (422236242632224).

The spelling of 201123220311122 in words is "two hundred one trillion, one hundred twenty-three billion, two hundred twenty million, three hundred eleven thousand, one hundred twenty-two".