33121033010 has 64 divisors (see below), whose sum is σ = 65911974912. Its totient is φ = 11906666496.

The previous prime is 33121033009. The next prime is 33121033021. The reversal of 33121033010 is 1033012133.

It is a self number, because there is not a number n which added to its sum of digits gives 33121033010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165187 + ... + 1193273.

It is an arithmetic number, because the mean of its divisors is an integer number (1029874608).

Almost surely, 2^33121033010 is an apocalyptic number.

33121033010 is a deficient number, since it is larger than the sum of its proper divisors (32790941902).

33121033010 is a wasteful number, since it uses less digits than its factorization.

33121033010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28347.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 33121033010 its reverse (1033012133), we get a palindrome (34154045143).

The spelling of 33121033010 in words is "thirty-three billion, one hundred twenty-one million, thirty-three thousand, ten".