1122122111113 has 2 divisors, whose sum is σ = 1122122111114. Its totient is φ = 1122122111112.

The previous prime is 1122122111027. The next prime is 1122122111161. The reversal of 1122122111113 is 3111112212211.

It is a m-pointer prime, because the next prime (1122122111161) can be obtained adding 1122122111113 to its product of digits (48).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650816519824 + 471305591289 = 806732^2 + 686517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122122111113 - 2²¹ = 1122120013961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122122117113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561061055556 + 561061055557.

It is an arithmetic number, because the mean of its divisors is an integer number (561061055557).

Almost surely, 2^{1122122111113} is an apocalyptic number.

It is an amenable number.

1122122111113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122122111113 is an equidigital number, since it uses as much as digits as its factorization.

1122122111113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 19.

Adding to 1122122111113 its reverse (3111112212211), we get a palindrome (4233234323324).

It can be divided in two parts, 1122122 and 111113, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 1122122111113 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirteen".