110120020990 has 32 divisors (see below), whose sum is σ = 231352464384. Its totient is φ = 36952127520.

The previous prime is 110120020979. The next prime is 110120020991. The reversal of 110120020990 is 99020021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120020991) 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, 16732276 + ... + 16738855.

It is an arithmetic number, because the mean of its divisors is an integer number (7229764512).

Almost surely, 2^110120020990 is an apocalyptic number.

110120020990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110120020990 is an abundant number, since it is smaller than the sum of its proper divisors (121232443394).

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

110120020990 is a wasteful number, since it uses less digits than its factorization.

110120020990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33471192.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 110120020990 in words is "one hundred ten billion, one hundred twenty million, twenty thousand, nine hundred ninety".