1120221131321 has 4 divisors (see below), whose sum is σ = 1120390381200. Its totient is φ = 1120051881444.

The previous prime is 1120221131311. The next prime is 1120221131401. The reversal of 1120221131321 is 1231311220211.

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 1120221131321 - 2¹⁸ = 1120220869177 is a prime.

It is a super-2 number, since 2×1120221131321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120221131293 and 1120221131302.

It is not an unprimeable number, because it can be changed into a prime (1120221131311) 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, 84615011 + ... + 84628248.

It is an arithmetic number, because the mean of its divisors is an integer number (280097595300).

Almost surely, 2^{1120221131321} is an apocalyptic number.

It is an amenable number.

1120221131321 is a deficient number, since it is larger than the sum of its proper divisors (169249879).

1120221131321 is an equidigital number, since it uses as much as digits as its factorization.

1120221131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169249878.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1120221131321 its reverse (1231311220211), we get a palindrome (2351532351532).

The spelling of 1120221131321 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-one".