121013131122 has 24 divisors (see below), whose sum is σ = 282363973164. Its totient is φ = 37234809504.

The previous prime is 121013131117. The next prime is 121013131157. The reversal of 121013131122 is 221131310121.

It can be written as a sum of positive squares in 2 ways, for example, as 115436178081 + 5576953041 = 339759^2 + 74679^2 .

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 = 121013131095 and 121013131104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258574833 + ... + 258575300.

Almost surely, 2^121013131122 is an apocalyptic number.

121013131122 is an abundant number, since it is smaller than the sum of its proper divisors (161350842042).

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

121013131122 is a wasteful number, since it uses less digits than its factorization.

121013131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517150154 (or 517150151 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121013131122 its reverse (221131310121), we get a palindrome (342144441243).

The spelling of 121013131122 in words is "one hundred twenty-one billion, thirteen million, one hundred thirty-one thousand, one hundred twenty-two".