132121121100 has 72 divisors (see below), whose sum is σ = 382375193088. Its totient is φ = 35222644800.

The previous prime is 132121121089. The next prime is 132121121147. The reversal of 132121121100 is 1121121231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 132121121100.

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, 1071645 + ... + 1188555.

Almost surely, 2^132121121100 is an apocalyptic number.

132121121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132121121100 is an abundant number, since it is smaller than the sum of its proper divisors (250254071988).

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

132121121100 is a wasteful number, since it uses less digits than its factorization.

132121121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120695 (or 120688 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 132121121100 its reverse (1121121231), we get a palindrome (133242242331).

The spelling of 132121121100 in words is "one hundred thirty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred".