33113212120100 has 72 divisors (see below), whose sum is σ = 86442911674560. Its totient is φ = 10755569646720.

The previous prime is 33113212120099. The next prime is 33113212120111. The reversal of 33113212120100 is 102121231133.

It is a happy number.

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

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, 1244844299 + ... + 1244870898.

It is an arithmetic number, because the mean of its divisors is an integer number (1200595995480).

Almost surely, 2^{33113212120100} is an apocalyptic number.

It is an amenable number.

33113212120100 is an abundant number, since it is smaller than the sum of its proper divisors (53329699554460).

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

33113212120100 is a wasteful number, since it uses less digits than its factorization.

33113212120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489715237 (or 2489715230 counting only the distinct ones).

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

Adding to 33113212120100 its reverse (102121231133), we get a palindrome (33215333351233).

The spelling of 33113212120100 in words is "thirty-three trillion, one hundred thirteen billion, two hundred twelve million, one hundred twenty thousand, one hundred".