33220220012137 has 2 divisors, whose sum is σ = 33220220012138. Its totient is φ = 33220220012136.

The previous prime is 33220220012131. The next prime is 33220220012179. The reversal of 33220220012137 is 73121002202233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32584334976361 + 635885035776 = 5708269^2 + 797424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33220220012137 is a prime.

It is a super-2 number, since 2×33220220012137² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33220220012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610110006068 + 16610110006069.

It is an arithmetic number, because the mean of its divisors is an integer number (16610110006069).

Almost surely, 2^{33220220012137} is an apocalyptic number.

It is an amenable number.

33220220012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220220012137 is an equidigital number, since it uses as much as digits as its factorization.

33220220012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 33220220012137 in words is "thirty-three trillion, two hundred twenty billion, two hundred twenty million, twelve thousand, one hundred thirty-seven".