122131011 has 8 divisors (see below), whose sum is σ = 162894160. Its totient is φ = 81394272.

The previous prime is 122130997. The next prime is 122131019. The reversal of 122131011 is 110131221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122131011 - 2²⁶ = 55022147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122131019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10581 + ... + 18873.

It is an arithmetic number, because the mean of its divisors is an integer number (20361770).

Almost surely, 2^122131011 is an apocalyptic number.

122131011 is a deficient number, since it is larger than the sum of its proper divisors (40763149).

122131011 is an equidigital number, since it uses as much as digits as its factorization.

122131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205.

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

The square root of 122131011 is about 11051.2900151973. The cubic root of 122131011 is about 496.1450362254.

Adding to 122131011 its reverse (110131221), we get a palindrome (232262232).

The spelling of 122131011 in words is "one hundred twenty-two million, one hundred thirty-one thousand, eleven".