33102221013 has 24 divisors (see below), whose sum is σ = 49517270400. Its totient is φ = 21283837344.

The previous prime is 33102220979. The next prime is 33102221039. The reversal of 33102221013 is 31012220133.

It is not a de Polignac number, because 33102221013 - 2⁸ = 33102220757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33102221083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170856 + ... + 308862.

It is an arithmetic number, because the mean of its divisors is an integer number (2063219600).

Almost surely, 2^33102221013 is an apocalyptic number.

It is an amenable number.

33102221013 is a deficient number, since it is larger than the sum of its proper divisors (16415049387).

33102221013 is a wasteful number, since it uses less digits than its factorization.

33102221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138961 (or 138958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33102221013 its reverse (31012220133), we get a palindrome (64114441146).

The spelling of 33102221013 in words is "thirty-three billion, one hundred two million, two hundred twenty-one thousand, thirteen".