33221022113 has 4 divisors (see below), whose sum is σ = 33226676868. Its totient is φ = 33215367360.

The previous prime is 33221022103. The next prime is 33221022127. The reversal of 33221022113 is 31122012233.

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 22786808209 + 10434213904 = 150953^2 + 102148^2 .

It is a cyclic number.

It is not a de Polignac number, because 33221022113 - 2¹⁴ = 33221005729 is a prime.

It is a super-2 number, since 2×33221022113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221022103) 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, 2818556 + ... + 2830317.

It is an arithmetic number, because the mean of its divisors is an integer number (8306669217).

Almost surely, 2^33221022113 is an apocalyptic number.

It is an amenable number.

33221022113 is a deficient number, since it is larger than the sum of its proper divisors (5654755).

33221022113 is an equidigital number, since it uses as much as digits as its factorization.

33221022113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654754.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33221022113 its reverse (31122012233), we get a palindrome (64343034346).

The spelling of 33221022113 in words is "thirty-three billion, two hundred twenty-one million, twenty-two thousand, one hundred thirteen".