111110222020 has 48 divisors (see below), whose sum is σ = 266888458368. Its totient is φ = 38062944000.

The previous prime is 111110222011. The next prime is 111110222023. The reversal of 111110222020 is 20222011111.

It is not an unprimeable number, because it can be changed into a prime (111110222023) 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, 165606 + ... + 499645.

It is an arithmetic number, because the mean of its divisors is an integer number (5560176216).

Almost surely, 2^111110222020 is an apocalyptic number.

111110222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110222020 is an abundant number, since it is smaller than the sum of its proper divisors (155778236348).

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

111110222020 is a wasteful number, since it uses less digits than its factorization.

111110222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666460 (or 666458 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111110222020 its reverse (20222011111), we get a palindrome (131332233131).

The spelling of 111110222020 in words is "one hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, twenty".