33220121032 has 32 divisors (see below), whose sum is σ = 71547347520. Its totient is φ = 14164920000.

The previous prime is 33220121027. The next prime is 33220121147. The reversal of 33220121032 is 23012102233.

It is a super-2 number, since 2×33220121032² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494594 + ... + 1516657.

It is an arithmetic number, because the mean of its divisors is an integer number (2235854610).

Almost surely, 2^33220121032 is an apocalyptic number.

It is an amenable number.

33220121032 is an abundant number, since it is smaller than the sum of its proper divisors (38327226488).

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

33220121032 is a wasteful number, since it uses less digits than its factorization.

33220121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011461 (or 3011457 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33220121032 its reverse (23012102233), we get a palindrome (56232223265).

The spelling of 33220121032 in words is "thirty-three billion, two hundred twenty million, one hundred twenty-one thousand, thirty-two".