111102302131 has 2 divisors, whose sum is σ = 111102302132. Its totient is φ = 111102302130.

The previous prime is 111102302111. The next prime is 111102302243. The reversal of 111102302131 is 131203201111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111102302131 - 2²³ = 111093913523 is a prime.

It is a super-2 number, since 2×111102302131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111102302111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551151065 + 55551151066.

It is an arithmetic number, because the mean of its divisors is an integer number (55551151066).

Almost surely, 2^111102302131 is an apocalyptic number.

111102302131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102302131 is an equidigital number, since it uses as much as digits as its factorization.

111102302131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111102302131 its reverse (131203201111), we get a palindrome (242305503242).

The spelling of 111102302131 in words is "one hundred eleven billion, one hundred two million, three hundred two thousand, one hundred thirty-one".