1120244221 has 4 divisors (see below), whose sum is σ = 1136964352. Its totient is φ = 1103524092.

The previous prime is 1120244159. The next prime is 1120244249. The reversal of 1120244221 is 1224420211.

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 1120244221 - 2¹⁵ = 1120211453 is a prime.

It is a super-2 number, since 2×1120244221² = 2509894229367793682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120244261) 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, 8359965 + ... + 8360098.

It is an arithmetic number, because the mean of its divisors is an integer number (284241088).

Almost surely, 2^1120244221 is an apocalyptic number.

It is an amenable number.

1120244221 is a deficient number, since it is larger than the sum of its proper divisors (16720131).

1120244221 is an equidigital number, since it uses as much as digits as its factorization.

1120244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720130.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1120244221 is about 33470.0496115557. The cubic root of 1120244221 is about 1038.5742979857.

Adding to 1120244221 its reverse (1224420211), we get a palindrome (2344664432).

The spelling of 1120244221 in words is "one billion, one hundred twenty million, two hundred forty-four thousand, two hundred twenty-one".