101122211012122 has 4 divisors (see below), whose sum is σ = 151683316518186. Its totient is φ = 50561105506060.

The previous prime is 101122211012087. The next prime is 101122211012129. The reversal of 101122211012122 is 221210112221101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100771662943081 + 350548069041 = 10038509^2 + 592071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101122211012122.

It is not an unprimeable number, because it can be changed into a prime (101122211012129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280552753029 + ... + 25280552753032.

Almost surely, 2^{101122211012122} is an apocalyptic number.

101122211012122 is a deficient number, since it is larger than the sum of its proper divisors (50561105506064).

101122211012122 is an equidigital number, since it uses as much as digits as its factorization.

101122211012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50561105506063.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101122211012122 its reverse (221210112221101), we get a palindrome (322332323233223).

The spelling of 101122211012122 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred eleven million, twelve thousand, one hundred twenty-two".