121013113000 has 64 divisors (see below), whose sum is σ = 304953077520. Its totient is φ = 44681760000.

The previous prime is 121013112989. The next prime is 121013113007. The reversal of 121013113000 is 311310121.

It can be written as a sum of positive squares in 8 ways, for example, as 16149834724 + 104863278276 = 127082^2 + 323826^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (121013113007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4641351 + ... + 4667350.

Almost surely, 2^121013113000 is an apocalyptic number.

121013113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013113000 is an abundant number, since it is smaller than the sum of its proper divisors (183939964520).

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

121013113000 is a wasteful number, since it uses less digits than its factorization.

121013113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308735 (or 9308721 counting only the distinct ones).

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

Adding to 121013113000 its reverse (311310121), we get a palindrome (121324423121).

The spelling of 121013113000 in words is "one hundred twenty-one billion, thirteen million, one hundred thirteen thousand".