121013311000 has 32 divisors (see below), whose sum is σ = 283171150080. Its totient is φ = 48405324000.

The previous prime is 121013310919. The next prime is 121013311009. The reversal of 121013311000 is 113310121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013311009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60505656 + ... + 60507655.

It is an arithmetic number, because the mean of its divisors is an integer number (8849098440).

Almost surely, 2^121013311000 is an apocalyptic number.

121013311000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013311000 is an abundant number, since it is smaller than the sum of its proper divisors (162157839080).

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

121013311000 is a wasteful number, since it uses less digits than its factorization.

121013311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121013332 (or 121013318 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 121013311000 its reverse (113310121), we get a palindrome (121126621121).

The spelling of 121013311000 in words is "one hundred twenty-one billion, thirteen million, three hundred eleven thousand".