111199001892 has 48 divisors (see below), whose sum is σ = 283087644672. Its totient is φ = 33692424480.

The previous prime is 111199001891. The next prime is 111199001897. The reversal of 111199001892 is 298100991111.

It is not an unprimeable number, because it can be changed into a prime (111199001891) 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, 1092693 + ... + 1190115.

It is an arithmetic number, because the mean of its divisors is an integer number (5897659264).

Almost surely, 2^111199001892 is an apocalyptic number.

111199001892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111199001892 is an abundant number, since it is smaller than the sum of its proper divisors (171888642780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111199001892 is a wasteful number, since it uses less digits than its factorization.

111199001892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106088 (or 106086 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 42.

The spelling of 111199001892 in words is "one hundred eleven billion, one hundred ninety-nine million, one thousand, eight hundred ninety-two".