100111000220 has 48 divisors (see below), whose sum is σ = 262108804608. Its totient is φ = 31203428160.

The previous prime is 100111000219. The next prime is 100111000237. The reversal of 100111000220 is 22000111001.

It is a junction number, because it is equal to n+sod(n) for n = 100111000198 and 100111000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32502032 + ... + 32505111.

It is an arithmetic number, because the mean of its divisors is an integer number (5460600096).

Almost surely, 2^100111000220 is an apocalyptic number.

100111000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111000220 is an abundant number, since it is smaller than the sum of its proper divisors (161997804388).

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

100111000220 is a wasteful number, since it uses less digits than its factorization.

100111000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65007170 (or 65007168 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100111000220 its reverse (22000111001), we get a palindrome (122111111221).

The spelling of 100111000220 in words is "one hundred billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.