111101210000220 has 48 divisors (see below), whose sum is σ = 339363696002688. Its totient is φ = 26933626666560.

The previous prime is 111101210000191. The next prime is 111101210000267. The reversal of 111101210000220 is 22000012101111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111101210000196 and 111101210000205.

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, 84167582674 + ... + 84167583993.

It is an arithmetic number, because the mean of its divisors is an integer number (7070077000056).

Almost surely, 2^{111101210000220} is an apocalyptic number.

111101210000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101210000220 is an abundant number, since it is smaller than the sum of its proper divisors (228262486002468).

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

111101210000220 is a wasteful number, since it uses less digits than its factorization.

111101210000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168335166690 (or 168335166688 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111101210000220 its reverse (22000012101111), we get a palindrome (133101222101331).

The spelling of 111101210000220 in words is "one hundred eleven trillion, one hundred one billion, two hundred ten million, two hundred twenty", and thus it is an aban number.