1114331021 has 2 divisors, whose sum is σ = 1114331022. Its totient is φ = 1114331020.

The previous prime is 1114330957. The next prime is 1114331041. The reversal of 1114331021 is 1201334111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865006921 + 249324100 = 29411^2 + 15790^2 .

It is an emirp because it is prime and its reverse (1201334111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1114331021 - 2⁶ = 1114330957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114331041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557165510 + 557165511.

It is an arithmetic number, because the mean of its divisors is an integer number (557165511).

Almost surely, 2^1114331021 is an apocalyptic number.

It is an amenable number.

1114331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114331021 is an equidigital number, since it uses as much as digits as its factorization.

1114331021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1114331021 is about 33381.5970408847. The cubic root of 1114331021 is about 1036.7437046147.

Adding to 1114331021 its reverse (1201334111), we get a palindrome (2315665132).

The spelling of 1114331021 in words is "one billion, one hundred fourteen million, three hundred thirty-one thousand, twenty-one".