110918191820 has 24 divisors (see below), whose sum is σ = 232989707664. Its totient is φ = 44355561536.

The previous prime is 110918191799. The next prime is 110918191843. The reversal of 110918191820 is 28191819011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654362 + ... + 806241.

It is an arithmetic number, because the mean of its divisors is an integer number (9707904486).

Almost surely, 2^110918191820 is an apocalyptic number.

110918191820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110918191820 is an abundant number, since it is smaller than the sum of its proper divisors (122071515844).

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

110918191820 is a wasteful number, since it uses less digits than its factorization.

110918191820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464409 (or 1464407 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 41.

It can be divided in two parts, 110918191 and 820, that added together give a palindrome (110919011).

The spelling of 110918191820 in words is "one hundred ten billion, nine hundred eighteen million, one hundred ninety-one thousand, eight hundred twenty".