32121033113 has 4 divisors (see below), whose sum is σ = 34591881828. Its totient is φ = 29650184400.

The previous prime is 32121033089. The next prime is 32121033143. The reversal of 32121033113 is 31133012123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14339344009 + 17781689104 = 119747^2 + 133348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32121033113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121033143) 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, 1235424338 + ... + 1235424363.

It is an arithmetic number, because the mean of its divisors is an integer number (8647970457).

Almost surely, 2^32121033113 is an apocalyptic number.

It is an amenable number.

32121033113 is a deficient number, since it is larger than the sum of its proper divisors (2470848715).

32121033113 is a wasteful number, since it uses less digits than its factorization.

32121033113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470848714.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 32121033113 its reverse (31133012123), we get a palindrome (63254045236).

The spelling of 32121033113 in words is "thirty-two billion, one hundred twenty-one million, thirty-three thousand, one hundred thirteen".