110211220120020 has 24 divisors (see below), whose sum is σ = 308591416336224. Its totient is φ = 29389658698656.

The previous prime is 110211220119991. The next prime is 110211220120031. The reversal of 110211220120020 is 20021022112011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 918426834274 + ... + 918426834393.

It is an arithmetic number, because the mean of its divisors is an integer number (12857975680676).

Almost surely, 2^{110211220120020} is an apocalyptic number.

110211220120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110211220120020 is an abundant number, since it is smaller than the sum of its proper divisors (198380196216204).

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

110211220120020 is a wasteful number, since it uses less digits than its factorization.

110211220120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836853668679 (or 1836853668677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110211220120020 its reverse (20021022112011), we get a palindrome (130232242232031).

The spelling of 110211220120020 in words is "one hundred ten trillion, two hundred eleven billion, two hundred twenty million, one hundred twenty thousand, twenty".