111020119889990 has 32 divisors (see below), whose sum is σ = 199872899218080. Its totient is φ = 44399896821504.

The previous prime is 111020119889983. The next prime is 111020119890011. The reversal of 111020119889990 is 99988911020111.

111020119889990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791222821 + ... + 1791284799.

It is an arithmetic number, because the mean of its divisors is an integer number (6246028100565).

Almost surely, 2^{111020119889990} is an apocalyptic number.

111020119889990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020119889990 is a deficient number, since it is larger than the sum of its proper divisors (88852779328090).

111020119889990 is a wasteful number, since it uses less digits than its factorization.

111020119889990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91976.

The product of its (nonzero) digits is 839808, while the sum is 59.

The spelling of 111020119889990 in words is "one hundred eleven trillion, twenty billion, one hundred nineteen million, eight hundred eighty-nine thousand, nine hundred ninety".