11102122231 has 2 divisors, whose sum is σ = 11102122232. Its totient is φ = 11102122230.

The previous prime is 11102122189. The next prime is 11102122243. The reversal of 11102122231 is 13222120111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102122231 is a prime.

It is a super-2 number, since 2×11102122231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102122261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551061115 + 5551061116.

It is an arithmetic number, because the mean of its divisors is an integer number (5551061116).

Almost surely, 2^11102122231 is an apocalyptic number.

11102122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102122231 is an equidigital number, since it uses as much as digits as its factorization.

11102122231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11102122231 its reverse (13222120111), we get a palindrome (24324242342).

The spelling of 11102122231 in words is "eleven billion, one hundred two million, one hundred twenty-two thousand, two hundred thirty-one".