22111210001057 has 2 divisors, whose sum is σ = 22111210001058. Its totient is φ = 22111210001056.

The previous prime is 22111210001017. The next prime is 22111210001071. The reversal of 22111210001057 is 75010001211122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22097981320801 + 13228680256 = 4700849^2 + 115016^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111210001057 - 2¹⁴ = 22111209984673 is a prime.

It is a super-2 number, since 2×22111210001057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22111210001017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055605000528 + 11055605000529.

It is an arithmetic number, because the mean of its divisors is an integer number (11055605000529).

Almost surely, 2^{22111210001057} is an apocalyptic number.

It is an amenable number.

22111210001057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111210001057 is an equidigital number, since it uses as much as digits as its factorization.

22111210001057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 22111210001057 its reverse (75010001211122), we get a palindrome (97121211212179).

The spelling of 22111210001057 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, one thousand, fifty-seven".