11100002131 has 2 divisors, whose sum is σ = 11100002132. Its totient is φ = 11100002130.

The previous prime is 11100002129. The next prime is 11100002149. The reversal of 11100002131 is 13120000111.

It is a weak prime.

It is an emirp because it is prime and its reverse (13120000111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100002131 - 2¹ = 11100002129 is a prime.

It is a super-2 number, since 2×11100002131² (a number of 21 digits) contains 22 as substring.

Together with 11100002129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11100002161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550001065 + 5550001066.

It is an arithmetic number, because the mean of its divisors is an integer number (5550001066).

Almost surely, 2^11100002131 is an apocalyptic number.

11100002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100002131 is an equidigital number, since it uses as much as digits as its factorization.

11100002131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11100002131 its reverse (13120000111), we get a palindrome (24220002242).

The spelling of 11100002131 in words is "eleven billion, one hundred million, two thousand, one hundred thirty-one".