33323121013 has 48 divisors (see below), whose sum is σ = 43645674240. Its totient is φ = 24770156544.

The previous prime is 33323120993. The next prime is 33323121017. The reversal of 33323121013 is 31012132333.

It is not a de Polignac number, because 33323121013 - 2²¹ = 33321023861 is a prime.

It is a super-2 number, since 2×33323121013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33323121017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25851273 + ... + 25852561.

It is an arithmetic number, because the mean of its divisors is an integer number (909284880).

Almost surely, 2^33323121013 is an apocalyptic number.

It is an amenable number.

33323121013 is a deficient number, since it is larger than the sum of its proper divisors (10322553227).

33323121013 is a wasteful number, since it uses less digits than its factorization.

33323121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33323121013 its reverse (31012132333), we get a palindrome (64335253346).

The spelling of 33323121013 in words is "thirty-three billion, three hundred twenty-three million, one hundred twenty-one thousand, thirteen".