33220120111013 has 16 divisors (see below), whose sum is σ = 36601847318400. Its totient is φ = 29898837132480.

The previous prime is 33220120111001. The next prime is 33220120111027. The reversal of 33220120111013 is 31011102102233.

It is a happy number.

It is not a de Polignac number, because 33220120111013 - 2⁸ = 33220120110757 is a prime.

It is a super-2 number, since 2×33220120111013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220120111033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249683 + ... + 8154911.

It is an arithmetic number, because the mean of its divisors is an integer number (2287615457400).

Almost surely, 2^{33220120111013} is an apocalyptic number.

It is an amenable number.

33220120111013 is a deficient number, since it is larger than the sum of its proper divisors (3381727207387).

33220120111013 is a wasteful number, since it uses less digits than its factorization.

33220120111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909052.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 33220120111013 its reverse (31011102102233), we get a palindrome (64231222213246).

The spelling of 33220120111013 in words is "thirty-three trillion, two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, thirteen".