11414331221 has 2 divisors, whose sum is σ = 11414331222. Its totient is φ = 11414331220.

The previous prime is 11414331197. The next prime is 11414331283. The reversal of 11414331221 is 12213341411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9533374321 + 1880956900 = 97639^2 + 43370^2 .

It is a cyclic number.

It is not a de Polignac number, because 11414331221 - 2¹⁴ = 11414314837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11414331421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707165610 + 5707165611.

It is an arithmetic number, because the mean of its divisors is an integer number (5707165611).

Almost surely, 2^11414331221 is an apocalyptic number.

It is an amenable number.

11414331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11414331221 is an equidigital number, since it uses as much as digits as its factorization.

11414331221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 11414331221 its reverse (12213341411), we get a palindrome (23627672632).

The spelling of 11414331221 in words is "eleven billion, four hundred fourteen million, three hundred thirty-one thousand, two hundred twenty-one".