1120120000021 has 16 divisors (see below), whose sum is σ = 1237356062208. Its totient is φ = 1005465353200.

The previous prime is 1120120000007. The next prime is 1120120000063. The reversal of 1120120000021 is 1200000210211.

It is not a de Polignac number, because 1120120000021 - 2⁵ = 1120119999989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120119999962 and 1120120000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120120004021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314720 + ... + 1992166.

It is an arithmetic number, because the mean of its divisors is an integer number (77334753888).

Almost surely, 2^{1120120000021} is an apocalyptic number.

1120120000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120120000021 is a deficient number, since it is larger than the sum of its proper divisors (117236062187).

1120120000021 is a wasteful number, since it uses less digits than its factorization.

1120120000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679352.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1120120000021 its reverse (1200000210211), we get a palindrome (2320120210232).

The spelling of 1120120000021 in words is "one trillion, one hundred twenty billion, one hundred twenty million, twenty-one", and thus it is an aban number.