111404202113 has 4 divisors (see below), whose sum is σ = 112552699140. Its totient is φ = 110255705088.

The previous prime is 111404202079. The next prime is 111404202127. The reversal of 111404202113 is 311202404111.

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 60288418369 + 51115783744 = 245537^2 + 226088^2 .

It is a cyclic number.

It is not a de Polignac number, because 111404202113 - 2¹⁴ = 111404185729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111404205113) 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, 574248368 + ... + 574248561.

It is an arithmetic number, because the mean of its divisors is an integer number (28138174785).

Almost surely, 2^111404202113 is an apocalyptic number.

It is an amenable number.

111404202113 is a deficient number, since it is larger than the sum of its proper divisors (1148497027).

111404202113 is an equidigital number, since it uses as much as digits as its factorization.

111404202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148497026.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111404202113 its reverse (311202404111), we get a palindrome (422606606224).

The spelling of 111404202113 in words is "one hundred eleven billion, four hundred four million, two hundred two thousand, one hundred thirteen".