121023113200 has 120 divisors (see below), whose sum is σ = 328128529680. Its totient is φ = 42490828800.

The previous prime is 121023113179. The next prime is 121023113269. The reversal of 121023113200 is 2311320121.

121023113200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent 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, 346629 + ... + 601828.

It is an arithmetic number, because the mean of its divisors is an integer number (2734404414).

Almost surely, 2^121023113200 is an apocalyptic number.

121023113200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121023113200 is an abundant number, since it is smaller than the sum of its proper divisors (207105416480).

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

121023113200 is a wasteful number, since it uses less digits than its factorization.

121023113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948515 (or 948504 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121023113200 its reverse (2311320121), we get a palindrome (123334433321).

The spelling of 121023113200 in words is "one hundred twenty-one billion, twenty-three million, one hundred thirteen thousand, two hundred".