111001109998 has 32 divisors (see below), whose sum is σ = 171078687360. Its totient is φ = 53994564000.

The previous prime is 111001109983. The next prime is 111001110001. The reversal of 111001109998 is 899901100111.

It is a self number, because there is not a number n which added to its sum of digits gives 111001109998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6030373 + ... + 6048751.

It is an arithmetic number, because the mean of its divisors is an integer number (5346208980).

Almost surely, 2^111001109998 is an apocalyptic number.

111001109998 is a deficient number, since it is larger than the sum of its proper divisors (60077577362).

111001109998 is a wasteful number, since it uses less digits than its factorization.

111001109998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18912.

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 111001109998 in words is "one hundred eleven billion, one million, one hundred nine thousand, nine hundred ninety-eight".