1120031113021 has 4 divisors (see below), whose sum is σ = 1120050992032. Its totient is φ = 1120011234012.

The previous prime is 1120031112947. The next prime is 1120031113037. The reversal of 1120031113021 is 1203111300211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1120031113021 - 2¹¹ = 1120031110973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120031112986 and 1120031113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120031114021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9854751 + ... + 9967756.

It is an arithmetic number, because the mean of its divisors is an integer number (280012748008).

Almost surely, 2^{1120031113021} is an apocalyptic number.

It is an amenable number.

1120031113021 is a deficient number, since it is larger than the sum of its proper divisors (19879011).

1120031113021 is an equidigital number, since it uses as much as digits as its factorization.

1120031113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19879010.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1120031113021 its reverse (1203111300211), we get a palindrome (2323142413232).

The spelling of 1120031113021 in words is "one trillion, one hundred twenty billion, thirty-one million, one hundred thirteen thousand, twenty-one".