111989012110 has 8 divisors (see below), whose sum is σ = 201580221816. Its totient is φ = 44795604840.

The previous prime is 111989012101. The next prime is 111989012111. The reversal of 111989012110 is 11210989111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111989012111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5599450596 + ... + 5599450615.

It is an arithmetic number, because the mean of its divisors is an integer number (25197527727).

Almost surely, 2^111989012110 is an apocalyptic number.

111989012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111989012110 is a deficient number, since it is larger than the sum of its proper divisors (89591209706).

111989012110 is a wasteful number, since it uses less digits than its factorization.

111989012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198901218.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 111989012110 in words is "one hundred eleven billion, nine hundred eighty-nine million, twelve thousand, one hundred ten".