1114331221 has 4 divisors (see below), whose sum is σ = 1118955244. Its totient is φ = 1109707200.

The previous prime is 1114331213. The next prime is 1114331237. The reversal of 1114331221 is 1221334111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1221334111 = 17 ⋅71843183.

It can be written as a sum of positive squares in 2 ways, for example, as 488631025 + 625700196 = 22105^2 + 25014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114331221 - 2³ = 1114331213 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 (1114331021) 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, 2311650 + ... + 2312131.

It is an arithmetic number, because the mean of its divisors is an integer number (279738811).

Almost surely, 2^1114331221 is an apocalyptic number.

It is an amenable number.

1114331221 is a deficient number, since it is larger than the sum of its proper divisors (4624023).

1114331221 is an equidigital number, since it uses as much as digits as its factorization.

1114331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624022.

The product of its digits is 144, while the sum is 19.

The square root of 1114331221 is about 33381.6000365471. The cubic root of 1114331221 is about 1036.7437666396.

Adding to 1114331221 its reverse (1221334111), we get a palindrome (2335665332).

The spelling of 1114331221 in words is "one billion, one hundred fourteen million, three hundred thirty-one thousand, two hundred twenty-one".