11123100113 has 2 divisors, whose sum is σ = 11123100114. Its totient is φ = 11123100112.

The previous prime is 11123100067. The next prime is 11123100151. The reversal of 11123100113 is 31100132111.

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., 8359810624 + 2763289489 = 91432^2 + 52567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123100113 is a prime.

It is a super-2 number, since 2×11123100113² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11123100413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561550056 + 5561550057.

It is an arithmetic number, because the mean of its divisors is an integer number (5561550057).

Almost surely, 2^11123100113 is an apocalyptic number.

It is an amenable number.

11123100113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123100113 is an equidigital number, since it uses as much as digits as its factorization.

11123100113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11123100113 its reverse (31100132111), we get a palindrome (42223232224).

The spelling of 11123100113 in words is "eleven billion, one hundred twenty-three million, one hundred thousand, one hundred thirteen".