1120103221 has 4 divisors (see below), whose sum is σ = 1158727500. Its totient is φ = 1081478944.

The previous prime is 1120103209. The next prime is 1120103227. The reversal of 1120103221 is 1223010211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223010211 = 23 ⋅53174357.

It can be written as a sum of positive squares in 2 ways, for example, as 240684196 + 879419025 = 15514^2 + 29655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120103221 - 2⁵ = 1120103189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120103227) 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, 19312096 + ... + 19312153.

It is an arithmetic number, because the mean of its divisors is an integer number (289681875).

Almost surely, 2^1120103221 is an apocalyptic number.

It is an amenable number.

1120103221 is a deficient number, since it is larger than the sum of its proper divisors (38624279).

1120103221 is an equidigital number, since it uses as much as digits as its factorization.

1120103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38624278.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1120103221 is about 33467.9431844863. The cubic root of 1120103221 is about 1038.5307226303.

Adding to 1120103221 its reverse (1223010211), we get a palindrome (2343113432).

The spelling of 1120103221 in words is "one billion, one hundred twenty million, one hundred three thousand, two hundred twenty-one".