111110211012113 has 4 divisors (see below), whose sum is σ = 111542546463780. Its totient is φ = 110677875560448.

The previous prime is 111110211012083. The next prime is 111110211012127. The reversal of 111110211012113 is 311210112011111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53600086579264 + 57510124432849 = 7321208^2 + 7583543^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110211012113 - 2⁸ = 111110211011857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110211012091 and 111110211012100.

It is not an unprimeable number, because it can be changed into a prime (111110211012013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216167725448 + ... + 216167725961.

It is an arithmetic number, because the mean of its divisors is an integer number (27885636615945).

Almost surely, 2^{111110211012113} is an apocalyptic number.

It is an amenable number.

111110211012113 is a deficient number, since it is larger than the sum of its proper divisors (432335451667).

111110211012113 is an equidigital number, since it uses as much as digits as its factorization.

111110211012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432335451666.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 111110211012113 its reverse (311210112011111), we get a palindrome (422320323023224).

The spelling of 111110211012113 in words is "one hundred eleven trillion, one hundred ten billion, two hundred eleven million, twelve thousand, one hundred thirteen".