1130221033421 has 4 divisors (see below), whose sum is σ = 1130532994272. Its totient is φ = 1129909072572.

The previous prime is 1130221033399. The next prime is 1130221033453. The reversal of 1130221033421 is 1243301220311.

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 1130221033421 - 2²² = 1130216839117 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 (1130211033421) 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, 155974991 + ... + 155982236.

It is an arithmetic number, because the mean of its divisors is an integer number (282633248568).

Almost surely, 2^{1130221033421} is an apocalyptic number.

It is an amenable number.

1130221033421 is a deficient number, since it is larger than the sum of its proper divisors (311960851).

1130221033421 is an equidigital number, since it uses as much as digits as its factorization.

1130221033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311960850.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1130221033421 its reverse (1243301220311), we get a palindrome (2373522253732).

The spelling of 1130221033421 in words is "one trillion, one hundred thirty billion, two hundred twenty-one million, thirty-three thousand, four hundred twenty-one".