33100113021 has 4 divisors (see below), whose sum is σ = 44133484032. Its totient is φ = 22066742012.

The previous prime is 33100112963. The next prime is 33100113077. The reversal of 33100113021 is 12031100133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33100113021 - 2⁹ = 33100112509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100113521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516685501 + ... + 5516685506.

It is an arithmetic number, because the mean of its divisors is an integer number (11033371008).

Almost surely, 2^33100113021 is an apocalyptic number.

It is an amenable number.

33100113021 is a deficient number, since it is larger than the sum of its proper divisors (11033371011).

33100113021 is a wasteful number, since it uses less digits than its factorization.

33100113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033371010.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 33100113021 its reverse (12031100133), we get a palindrome (45131213154).

The spelling of 33100113021 in words is "thirty-three billion, one hundred million, one hundred thirteen thousand, twenty-one".