1120103220021 has 4 divisors (see below), whose sum is σ = 1493470960032. Its totient is φ = 746735480012.

The previous prime is 1120103220017. The next prime is 1120103220029. The reversal of 1120103220021 is 1200223010211.

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 1120103220021 - 2² = 1120103220017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120103220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186683870001 + ... + 186683870006.

It is an arithmetic number, because the mean of its divisors is an integer number (373367740008).

Almost surely, 2^{1120103220021} is an apocalyptic number.

It is an amenable number.

1120103220021 is a deficient number, since it is larger than the sum of its proper divisors (373367740011).

1120103220021 is an equidigital number, since it uses as much as digits as its factorization.

1120103220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373367740010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1120103220021 its reverse (1200223010211), we get a palindrome (2320326230232).

The spelling of 1120103220021 in words is "one trillion, one hundred twenty billion, one hundred three million, two hundred twenty thousand, twenty-one".