111323202113 has 2 divisors, whose sum is σ = 111323202114. Its totient is φ = 111323202112.

The previous prime is 111323202079. The next prime is 111323202149. The reversal of 111323202113 is 311202323111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111177565489 + 145636624 = 333433^2 + 12068^2 .

It is a cyclic number.

It is not a de Polignac number, because 111323202113 - 2³⁴ = 94143332929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111323102113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55661601056 + 55661601057.

It is an arithmetic number, because the mean of its divisors is an integer number (55661601057).

Almost surely, 2^111323202113 is an apocalyptic number.

It is an amenable number.

111323202113 is a deficient number, since it is larger than the sum of its proper divisors (1).

111323202113 is an equidigital number, since it uses as much as digits as its factorization.

111323202113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111323202113 its reverse (311202323111), we get a palindrome (422525525224).

The spelling of 111323202113 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred two thousand, one hundred thirteen".