121032321030100 has 18 divisors (see below), whose sum is σ = 262640136635534. Its totient is φ = 48412928412000.

The previous prime is 121032321030091. The next prime is 121032321030109. The reversal of 121032321030100 is 1030123230121.

It is an interprime number because it is at equal distance from previous prime (121032321030091) and next prime (121032321030109).

It can be written as a sum of positive squares in 3 ways, for example, as 9704795023504 + 111327526006596 = 3115252^2 + 10551186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032321030109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605161605051 + ... + 605161605250.

Almost surely, 2^{121032321030100} is an apocalyptic number.

121032321030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032321030100 is an abundant number, since it is smaller than the sum of its proper divisors (141607815605434).

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

121032321030100 is a wasteful number, since it uses less digits than its factorization.

121032321030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210323210315 (or 1210323210308 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121032321030100 its reverse (1030123230121), we get a palindrome (122062444260221).

The spelling of 121032321030100 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred twenty-one million, thirty thousand, one hundred".