20122033113257 has 2 divisors, whose sum is σ = 20122033113258. Its totient is φ = 20122033113256.

The previous prime is 20122033113251. The next prime is 20122033113293. The reversal of 20122033113257 is 75231133022102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11067837770896 + 9054195342361 = 3326836^2 + 3009019^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122033113257 - 2²⁴ = 20122016336041 is a prime.

It is a super-2 number, since 2×20122033113257² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20122033113251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061016556628 + 10061016556629.

It is an arithmetic number, because the mean of its divisors is an integer number (10061016556629).

Almost surely, 2^{20122033113257} is an apocalyptic number.

It is an amenable number.

20122033113257 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122033113257 is an equidigital number, since it uses as much as digits as its factorization.

20122033113257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 20122033113257 its reverse (75231133022102), we get a palindrome (95353166135359).

The spelling of 20122033113257 in words is "twenty trillion, one hundred twenty-two billion, thirty-three million, one hundred thirteen thousand, two hundred fifty-seven".