111010120001220 has 48 divisors (see below), whose sum is σ = 339085457460288. Its totient is φ = 26911544242560.

The previous prime is 111010120001201. The next prime is 111010120001267. The reversal of 111010120001220 is 22100021010111.

111010120001220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 = 111010120001196 and 111010120001205.

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, 84098575099 + ... + 84098576418.

It is an arithmetic number, because the mean of its divisors is an integer number (7064280363756).

Almost surely, 2^{111010120001220} is an apocalyptic number.

111010120001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010120001220 is an abundant number, since it is smaller than the sum of its proper divisors (228075337459068).

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

111010120001220 is a wasteful number, since it uses less digits than its factorization.

111010120001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168197151540 (or 168197151538 counting only the distinct ones).

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

Adding to 111010120001220 its reverse (22100021010111), we get a palindrome (133110141011331).

The spelling of 111010120001220 in words is "one hundred eleven trillion, ten billion, one hundred twenty million, one thousand, two hundred twenty".