111021110199 has 6 divisors (see below), whose sum is σ = 160363825856. Its totient is φ = 74014073460.

The previous prime is 111021110173. The next prime is 111021110201. The reversal of 111021110199 is 991011120111.

It is not a de Polignac number, because 111021110199 - 2²¹ = 111019013047 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 (111021110159) 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, 6167839447 + ... + 6167839464.

Almost surely, 2^111021110199 is an apocalyptic number.

111021110199 is a deficient number, since it is larger than the sum of its proper divisors (49342715657).

111021110199 is a wasteful number, since it uses less digits than its factorization.

111021110199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335678917 (or 12335678914 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 111021110199 in words is "one hundred eleven billion, twenty-one million, one hundred ten thousand, one hundred ninety-nine".