1120220000021 has 4 divisors (see below), whose sum is σ = 1120234440000. Its totient is φ = 1120205560044.

The previous prime is 1120219999981. The next prime is 1120220000033. The reversal of 1120220000021 is 1200000220211.

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 1120220000021 - 2²² = 1120215805717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120219999957 and 1120220000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120220000071) 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 3 ways as a sum of consecutive naturals, for example, 7102991 + ... + 7258988.

It is an arithmetic number, because the mean of its divisors is an integer number (280058610000).

Almost surely, 2^{1120220000021} is an apocalyptic number.

It is an amenable number.

1120220000021 is a deficient number, since it is larger than the sum of its proper divisors (14439979).

1120220000021 is an equidigital number, since it uses as much as digits as its factorization.

1120220000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439978.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1120220000021 its reverse (1200000220211), we get a palindrome (2320220220232).

The spelling of 1120220000021 in words is "one trillion, one hundred twenty billion, two hundred twenty million, twenty-one", and thus it is an aban number.