10111109990 has 8 divisors (see below), whose sum is σ = 18199998000. Its totient is φ = 4044443992.

The previous prime is 10111109989. The next prime is 10111110001. The reversal of 10111109990 is 9990111101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505555490 + ... + 505555509.

It is an arithmetic number, because the mean of its divisors is an integer number (2274999750).

Almost surely, 2^10111109990 is an apocalyptic number.

10111109990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111109990 is a deficient number, since it is larger than the sum of its proper divisors (8088888010).

10111109990 is a wasteful number, since it uses less digits than its factorization.

10111109990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011111006.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 10111109990 in words is "ten billion, one hundred eleven million, one hundred nine thousand, nine hundred ninety".