122131101 has 4 divisors (see below), whose sum is σ = 162841472. Its totient is φ = 81420732.

The previous prime is 122131091. The next prime is 122131123. The reversal of 122131101 is 101131221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101131221 = 3 ⋅33710407.

It is not a de Polignac number, because 122131101 - 2⁷ = 122130973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20355181 + ... + 20355186.

It is an arithmetic number, because the mean of its divisors is an integer number (40710368).

Almost surely, 2^122131101 is an apocalyptic number.

It is an amenable number.

122131101 is a deficient number, since it is larger than the sum of its proper divisors (40710371).

122131101 is an equidigital number, since it uses as much as digits as its factorization.

122131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40710370.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 122131101 is about 11051.2940871194. The cubic root of 122131101 is about 496.1451580974.

Adding to 122131101 its reverse (101131221), we get a palindrome (223262322).

The spelling of 122131101 in words is "one hundred twenty-two million, one hundred thirty-one thousand, one hundred one".