111404202111 has 6 divisors (see below), whose sum is σ = 160917180840. Its totient is φ = 74269468068.

The previous prime is 111404202079. The next prime is 111404202127. The reversal of 111404202111 is 111202404111.

It is not a de Polignac number, because 111404202111 - 2⁵ = 111404202079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404202181) 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, 6189122331 + ... + 6189122348.

It is an arithmetic number, because the mean of its divisors is an integer number (26819530140).

Almost surely, 2^111404202111 is an apocalyptic number.

111404202111 is a deficient number, since it is larger than the sum of its proper divisors (49512978729).

111404202111 is a wasteful number, since it uses less digits than its factorization.

111404202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12378244685 (or 12378244682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111404202111 its reverse (111202404111), we get a palindrome (222606606222).

The spelling of 111404202111 in words is "one hundred eleven billion, four hundred four million, two hundred two thousand, one hundred eleven".