1110111120020 has 36 divisors (see below), whose sum is σ = 2711842881300. Its totient is φ = 380609526528.

The previous prime is 1110111120017. The next prime is 1110111120031. The reversal of 1110111120020 is 200211110111.

It can be written as a sum of positive squares in 2 ways, for example, as 784209429136 + 325901690884 = 885556^2 + 570878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1110111119983 and 1110111120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566382245 + ... + 566384204.

It is an arithmetic number, because the mean of its divisors is an integer number (75328968925).

Almost surely, 2^{1110111120020} is an apocalyptic number.

1110111120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110111120020 is an abundant number, since it is smaller than the sum of its proper divisors (1601731761280).

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

1110111120020 is a wasteful number, since it uses less digits than its factorization.

1110111120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132766472 (or 1132766463 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110111120020 its reverse (200211110111), we get a palindrome (1310322230131).

Subtracting from 1110111120020 its reverse (200211110111), we obtain a palindrome (909900009909).

The spelling of 1110111120020 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred twenty thousand, twenty".