1120113443021 has 24 divisors (see below), whose sum is σ = 1144638855360. Its totient is φ = 1095950934272.

The previous prime is 1120113443011. The next prime is 1120113443027. The reversal of 1120113443021 is 1203443110211.

It is not a de Polignac number, because 1120113443021 - 2¹⁸ = 1120113180877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120113443027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1307016425 + ... + 1307017281.

It is an arithmetic number, because the mean of its divisors is an integer number (47693285640).

Almost surely, 2^{1120113443021} is an apocalyptic number.

It is an amenable number.

1120113443021 is a deficient number, since it is larger than the sum of its proper divisors (24525412339).

1120113443021 is an frugal number, since it uses more digits than its factorization.

1120113443021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1120113443021 its reverse (1203443110211), we get a palindrome (2323556553232).

The spelling of 1120113443021 in words is "one trillion, one hundred twenty billion, one hundred thirteen million, four hundred forty-three thousand, twenty-one".