121032021331100 has 108 divisors (see below), whose sum is σ = 288695803291224. Its totient is φ = 44010207120000.

The previous prime is 121032021331073. The next prime is 121032021331159. The reversal of 121032021331100 is 1133120230121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 413806910 + ... + 414099290.

Almost surely, 2^{121032021331100} is an apocalyptic number.

121032021331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032021331100 is an abundant number, since it is smaller than the sum of its proper divisors (167663781960124).

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

121032021331100 is a wasteful number, since it uses less digits than its factorization.

121032021331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326628 (or 326610 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121032021331100 its reverse (1133120230121), we get a palindrome (122165141561221).

It can be divided in two parts, 121032021 and 331100, that added together give a palindrome (121363121).

The spelling of 121032021331100 in words is "one hundred twenty-one trillion, thirty-two billion, twenty-one million, three hundred thirty-one thousand, one hundred".