1112320221 has 4 divisors (see below), whose sum is σ = 1483093632. Its totient is φ = 741546812.

The previous prime is 1112320213. The next prime is 1112320241. The reversal of 1112320221 is 1220232111.

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 1112320221 - 2³ = 1112320213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112320221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112320241) 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, 185386701 + ... + 185386706.

It is an arithmetic number, because the mean of its divisors is an integer number (370773408).

Almost surely, 2^1112320221 is an apocalyptic number.

It is an amenable number.

1112320221 is a deficient number, since it is larger than the sum of its proper divisors (370773411).

1112320221 is an equidigital number, since it uses as much as digits as its factorization.

1112320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370773410.

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

The square root of 1112320221 is about 33351.4650502793. The cubic root of 1112320221 is about 1036.1197310104.

Adding to 1112320221 its reverse (1220232111), we get a palindrome (2332552332).

The spelling of 1112320221 in words is "one billion, one hundred twelve million, three hundred twenty thousand, two hundred twenty-one".