111210020199 has 16 divisors (see below), whose sum is σ = 164767372000. Its totient is φ = 74134709568.

The previous prime is 111210020189. The next prime is 111210020213. The reversal of 111210020199 is 991020012111.

It is not a de Polignac number, because 111210020199 - 2⁵ = 111210020167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210020189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257277 + ... + 537225.

It is an arithmetic number, because the mean of its divisors is an integer number (10297960750).

Almost surely, 2^111210020199 is an apocalyptic number.

111210020199 is a deficient number, since it is larger than the sum of its proper divisors (53557351801).

111210020199 is a wasteful number, since it uses less digits than its factorization.

111210020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294671 (or 294665 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 111210020199 in words is "one hundred eleven billion, two hundred ten million, twenty thousand, one hundred ninety-nine".