1121321222 has 8 divisors (see below), whose sum is σ = 1922264976. Its totient is φ = 480566232.

The previous prime is 1121321219. The next prime is 1121321237. The reversal of 1121321222 is 2221231211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121321222² = 2514722565815146568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121321222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40047173 + ... + 40047200.

It is an arithmetic number, because the mean of its divisors is an integer number (240283122).

Almost surely, 2^1121321222 is an apocalyptic number.

1121321222 is a deficient number, since it is larger than the sum of its proper divisors (800943754).

1121321222 is an equidigital number, since it uses as much as digits as its factorization.

1121321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80094382.

The product of its digits is 96, while the sum is 17.

The square root of 1121321222 is about 33486.1347724696. The cubic root of 1121321222 is about 1038.9070192715.

Adding to 1121321222 its reverse (2221231211), we get a palindrome (3342552433).

The spelling of 1121321222 in words is "one billion, one hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-two".