11222111222057 has 2 divisors, whose sum is σ = 11222111222058. Its totient is φ = 11222111222056.

The previous prime is 11222111221961. The next prime is 11222111222089. The reversal of 11222111222057 is 75022211122211.

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., 10789457742361 + 432653479696 = 3284731^2 + 657764^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222111222057 - 2¹⁰ = 11222111221033 is a prime.

It is a super-2 number, since 2×11222111222057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11222111222557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611055611028 + 5611055611029.

It is an arithmetic number, because the mean of its divisors is an integer number (5611055611029).

Almost surely, 2^{11222111222057} is an apocalyptic number.

It is an amenable number.

11222111222057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222111222057 is an equidigital number, since it uses as much as digits as its factorization.

11222111222057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

Adding to 11222111222057 its reverse (75022211122211), we get a palindrome (86244322344268).

The spelling of 11222111222057 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, fifty-seven".