11220122057 has 2 divisors, whose sum is σ = 11220122058. Its totient is φ = 11220122056.

The previous prime is 11220121987. The next prime is 11220122059. The reversal of 11220122057 is 75022102211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10847014201 + 373107856 = 104149^2 + 19316^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220122057 - 2¹⁸ = 11219859913 is a prime.

It is a super-2 number, since 2×11220122057² (a number of 21 digits) contains 22 as substring.

Together with 11220122059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11220122059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610061028 + 5610061029.

It is an arithmetic number, because the mean of its divisors is an integer number (5610061029).

Almost surely, 2^11220122057 is an apocalyptic number.

It is an amenable number.

11220122057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220122057 is an equidigital number, since it uses as much as digits as its factorization.

11220122057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 11220122057 its reverse (75022102211), we get a palindrome (86242224268).

The spelling of 11220122057 in words is "eleven billion, two hundred twenty million, one hundred twenty-two thousand, fifty-seven".