1120431202221 has 4 divisors (see below), whose sum is σ = 1493908269632. Its totient is φ = 746954134812.

The previous prime is 1120431202201. The next prime is 1120431202223. The reversal of 1120431202221 is 1222021340211.

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 not a de Polignac number, because 1120431202221 - 2⁶ = 1120431202157 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 (1120431202223) 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, 186738533701 + ... + 186738533706.

It is an arithmetic number, because the mean of its divisors is an integer number (373477067408).

Almost surely, 2^{1120431202221} is an apocalyptic number.

It is an amenable number.

1120431202221 is a deficient number, since it is larger than the sum of its proper divisors (373477067411).

1120431202221 is an equidigital number, since it uses as much as digits as its factorization.

1120431202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373477067410.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1120431202221 its reverse (1222021340211), we get a palindrome (2342452542432).

The spelling of 1120431202221 in words is "one trillion, one hundred twenty billion, four hundred thirty-one million, two hundred two thousand, two hundred twenty-one".