111120101011220 has 96 divisors (see below), whose sum is σ = 267420946576896. Its totient is φ = 37993763174400.

The previous prime is 111120101011193. The next prime is 111120101011243. The reversal of 111120101011220 is 22110101021111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111120101011195 and 111120101011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92427560 + ... + 93622080.

It is an arithmetic number, because the mean of its divisors is an integer number (2785634860176).

Almost surely, 2^{111120101011220} is an apocalyptic number.

111120101011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120101011220 is an abundant number, since it is smaller than the sum of its proper divisors (156300845565676).

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

111120101011220 is a wasteful number, since it uses less digits than its factorization.

111120101011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196361 (or 1196359 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111120101011220 its reverse (22110101021111), we get a palindrome (133230202032331).

The spelling of 111120101011220 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred one million, eleven thousand, two hundred twenty".