121344024100 has 72 divisors (see below), whose sum is σ = 286222180608. Its totient is φ = 44385168000.

The previous prime is 121344024083. The next prime is 121344024127. The reversal of 121344024100 is 1420443121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297076 + ... + 575275.

It is an arithmetic number, because the mean of its divisors is an integer number (3975308064).

Almost surely, 2^121344024100 is an apocalyptic number.

121344024100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121344024100 is an abundant number, since it is smaller than the sum of its proper divisors (164878156508).

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

121344024100 is a wasteful number, since it uses less digits than its factorization.

121344024100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872485 (or 872478 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121344024100 its reverse (1420443121), we get a palindrome (122764467221).

The spelling of 121344024100 in words is "one hundred twenty-one billion, three hundred forty-four million, twenty-four thousand, one hundred".