111213404199 has 6 divisors (see below), whose sum is σ = 160641583856. Its totient is φ = 74142269460.

The previous prime is 111213404171. The next prime is 111213404209. The reversal of 111213404199 is 991404312111.

111213404199 is a `hidden beast` number, since 1 + 1 + 121 + 340 + 4 + 199 = 666.

It is not a de Polignac number, because 111213404199 - 2⁸ = 111213403943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213404129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178522447 + ... + 6178522464.

Almost surely, 2^111213404199 is an apocalyptic number.

111213404199 is a deficient number, since it is larger than the sum of its proper divisors (49428179657).

111213404199 is a wasteful number, since it uses less digits than its factorization.

111213404199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357044917 (or 12357044914 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 111213404199 in words is "one hundred eleven billion, two hundred thirteen million, four hundred four thousand, one hundred ninety-nine".