1130221121223 has 4 divisors (see below), whose sum is σ = 1506961494968. Its totient is φ = 753480747480.

The previous prime is 1130221121177. The next prime is 1130221121233. The reversal of 1130221121223 is 3221211220311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1130221121223 - 2²⁶ = 1130154012359 is a prime.

It is a super-2 number, since 2×1130221121223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130221121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130221121233) 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, 188370186868 + ... + 188370186873.

It is an arithmetic number, because the mean of its divisors is an integer number (376740373742).

Almost surely, 2^{1130221121223} is an apocalyptic number.

1130221121223 is a deficient number, since it is larger than the sum of its proper divisors (376740373745).

1130221121223 is an equidigital number, since it uses as much as digits as its factorization.

1130221121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376740373744.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1130221121223 its reverse (3221211220311), we get a palindrome (4351432341534).

The spelling of 1130221121223 in words is "one trillion, one hundred thirty billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-three".