110111202100020 has 48 divisors (see below), whose sum is σ = 336339671871168. Its totient is φ = 26693624751360.

The previous prime is 110111202100001. The next prime is 110111202100027. The reversal of 110111202100020 is 20001202111011.

It is a super-2 number, since 2×110111202100020² (a number of 29 digits) contains 22 as substring.

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 = 110111202099969 and 110111202100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111202100027) 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, 83417576689 + ... + 83417578008.

It is an arithmetic number, because the mean of its divisors is an integer number (7007076497316).

Almost surely, 2^{110111202100020} is an apocalyptic number.

110111202100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110111202100020 is an abundant number, since it is smaller than the sum of its proper divisors (226228469771148).

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

110111202100020 is a wasteful number, since it uses less digits than its factorization.

110111202100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166835154720 (or 166835154718 counting only the distinct ones).

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

Adding to 110111202100020 its reverse (20001202111011), we get a palindrome (130112404211031).

The spelling of 110111202100020 in words is "one hundred ten trillion, one hundred eleven billion, two hundred two million, one hundred thousand, twenty".