11122142117 has 2 divisors, whose sum is σ = 11122142118. Its totient is φ = 11122142116.

The previous prime is 11122142099. The next prime is 11122142153. The reversal of 11122142117 is 71124122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7766720641 + 3355421476 = 88129^2 + 57926^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122142117 - 2¹⁸ = 11121879973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122142092 and 11122142101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122142417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561071058 + 5561071059.

It is an arithmetic number, because the mean of its divisors is an integer number (5561071059).

Almost surely, 2^11122142117 is an apocalyptic number.

It is an amenable number.

11122142117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122142117 is an equidigital number, since it uses as much as digits as its factorization.

11122142117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 23.

Adding to 11122142117 its reverse (71124122111), we get a palindrome (82246264228).

The spelling of 11122142117 in words is "eleven billion, one hundred twenty-two million, one hundred forty-two thousand, one hundred seventeen".