33102221012 has 24 divisors (see below), whose sum is σ = 66227301504. Its totient is φ = 14181767712.

The previous prime is 33102220979. The next prime is 33102221039. The reversal of 33102221012 is 21012220133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120968 + ... + 284319.

It is an arithmetic number, because the mean of its divisors is an integer number (2759470896).

Almost surely, 2^33102221012 is an apocalyptic number.

It is an amenable number.

33102221012 is an abundant number, since it is smaller than the sum of its proper divisors (33125080492).

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

33102221012 is a wasteful number, since it uses less digits than its factorization.

33102221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408215 (or 408213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 33102221012 its reverse (21012220133), we get a palindrome (54114441145).

The spelling of 33102221012 in words is "thirty-three billion, one hundred two million, two hundred twenty-one thousand, twelve".