121100332133100 has 72 divisors (see below), whose sum is σ = 353995830070288. Its totient is φ = 31960500019200.

The previous prime is 121100332133089. The next prime is 121100332133191. The reversal of 121100332133100 is 1331233001121.

It is a happy number.

It is a super-2 number, since 2×121100332133100² (a number of 29 digits) contains 22 as substring.

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, 2080732621 + ... + 2080790820.

Almost surely, 2^{121100332133100} is an apocalyptic number.

121100332133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100332133100 is an abundant number, since it is smaller than the sum of its proper divisors (232895497937188).

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

121100332133100 is a wasteful number, since it uses less digits than its factorization.

121100332133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161523555 (or 4161523548 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121100332133100 its reverse (1331233001121), we get a palindrome (122431565134221).

The spelling of 121100332133100 in words is "one hundred twenty-one trillion, one hundred billion, three hundred thirty-two million, one hundred thirty-three thousand, one hundred".