1110111201020 has 24 divisors (see below), whose sum is σ = 2331267523200. Its totient is φ = 444038004032.

The previous prime is 1110111200983. The next prime is 1110111201041. The reversal of 1110111201020 is 201021110111.

It is a junction number, because it is equal to n+sod(n) for n = 1110111200992 and 1110111201010.

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, 1145621 + ... + 1879539.

It is an arithmetic number, because the mean of its divisors is an integer number (97136146800).

Almost surely, 2^{1110111201020} is an apocalyptic number.

1110111201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110111201020 is an abundant number, since it is smaller than the sum of its proper divisors (1221156322180).

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

1110111201020 is a wasteful number, since it uses less digits than its factorization.

1110111201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809557 (or 809555 counting only the distinct ones).

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

Adding to 1110111201020 its reverse (201021110111), we get a palindrome (1311132311131).

Subtracting from 1110111201020 its reverse (201021110111), we obtain a palindrome (909090090909).

It can be divided in two parts, 1110111 and 201020, that added together give a palindrome (1311131).

The spelling of 1110111201020 in words is "one trillion, one hundred ten billion, one hundred eleven million, two hundred one thousand, twenty".