33220123242131 has 12 divisors (see below), whose sum is σ = 38645664450120. Its totient is φ = 28473029948160.

The previous prime is 33220123242079. The next prime is 33220123242157. The reversal of 33220123242131 is 13124232102233.

It is not a de Polignac number, because 33220123242131 - 2³⁴ = 33202943372947 is a prime.

It is a super-2 number, since 2×33220123242131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33220123242094 and 33220123242103.

It is not an unprimeable number, because it can be changed into a prime (33220123242191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15171185 + ... + 17222226.

It is an arithmetic number, because the mean of its divisors is an integer number (3220472037510).

Almost surely, 2^{33220123242131} is an apocalyptic number.

33220123242131 is a deficient number, since it is larger than the sum of its proper divisors (5425541207989).

33220123242131 is a wasteful number, since it uses less digits than its factorization.

33220123242131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32414354 (or 32414347 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 33220123242131 its reverse (13124232102233), we get a palindrome (46344355344364).

The spelling of 33220123242131 in words is "thirty-three trillion, two hundred twenty billion, one hundred twenty-three million, two hundred forty-two thousand, one hundred thirty-one".