11122102212157 has 2 divisors, whose sum is σ = 11122102212158. Its totient is φ = 11122102212156.

The previous prime is 11122102212127. The next prime is 11122102212163. The reversal of 11122102212157 is 75121220122111.

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., 10952320306041 + 169781906116 = 3309429^2 + 412046^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122102212157 - 2²³ = 11122093823549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122102212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561051106078 + 5561051106079.

It is an arithmetic number, because the mean of its divisors is an integer number (5561051106079).

Almost surely, 2^{11122102212157} is an apocalyptic number.

It is an amenable number.

11122102212157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122102212157 is an equidigital number, since it uses as much as digits as its factorization.

11122102212157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 28.

Adding to 11122102212157 its reverse (75121220122111), we get a palindrome (86243322334268).

The spelling of 11122102212157 in words is "eleven trillion, one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, one hundred fifty-seven".