111000121313 has 6 divisors (see below), whose sum is σ = 116036044194. Its totient is φ = 106174028576.

The previous prime is 111000121303. The next prime is 111000121319. The reversal of 111000121313 is 313121000111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74108083984 + 36892037329 = 272228^2 + 192073^2 .

It is not a de Polignac number, because 111000121313 - 2²⁴ = 110983344097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000121319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104914520 + ... + 104915577.

It is an arithmetic number, because the mean of its divisors is an integer number (19339340699).

Almost surely, 2^111000121313 is an apocalyptic number.

It is an amenable number.

111000121313 is a deficient number, since it is larger than the sum of its proper divisors (5035922881).

111000121313 is an equidigital number, since it uses as much as digits as its factorization.

111000121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209830143 (or 209830120 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111000121313 its reverse (313121000111), we get a palindrome (424121121424).

The spelling of 111000121313 in words is "one hundred eleven billion, one hundred twenty-one thousand, three hundred thirteen".