1110111200020 has 96 divisors (see below), whose sum is σ = 2425354329888. Its totient is φ = 426557693952.

The previous prime is 1110111199993. The next prime is 1110111200021. The reversal of 1110111200020 is 200021110111.

It can be written as a sum of positive squares in 16 ways, for example, as 275585101444 + 834526098576 = 524962^2 + 913524^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110111200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10548702 + ... + 10653418.

It is an arithmetic number, because the mean of its divisors is an integer number (25264107603).

Almost surely, 2^{1110111200020} is an apocalyptic number.

1110111200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110111200020 is an abundant number, since it is smaller than the sum of its proper divisors (1315243129868).

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

1110111200020 is a wasteful number, since it uses less digits than its factorization.

1110111200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104989 (or 104987 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1110111200020 its reverse (200021110111), we get a palindrome (1310132310131).

It can be divided in two parts, 1110111 and 200020, that added together give a palindrome (1310131).

The spelling of 1110111200020 in words is "one trillion, one hundred ten billion, one hundred eleven million, two hundred thousand, twenty".