11102131 has 2 divisors, whose sum is σ = 11102132. Its totient is φ = 11102130.

The previous prime is 11102087. The next prime is 11102141. The reversal of 11102131 is 13120111.

It is an a-pointer prime, because the next prime (11102141) can be obtained adding 11102131 to its sum of digits (10).

It is a strong prime.

It is an emirp because it is prime and its reverse (13120111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11102131 - 2⁹ = 11101619 is a prime.

It is a super-2 number, since 2×11102131² = 246514625482322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11102141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551065 + 5551066.

It is an arithmetic number, because the mean of its divisors is an integer number (5551066).

Almost surely, 2^11102131 is an apocalyptic number.

11102131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102131 is an equidigital number, since it uses as much as digits as its factorization.

11102131 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.

The square root of 11102131 is about 3331.9860443885. The cubic root of 11102131 is about 223.0841846686.

Adding to 11102131 its reverse (13120111), we get a palindrome (24222242).

The spelling of 11102131 in words is "eleven million, one hundred two thousand, one hundred thirty-one".