5912112221 has 2 divisors, whose sum is σ = 5912112222. Its totient is φ = 5912112220.

The previous prime is 5912112209. The next prime is 5912112233. The reversal of 5912112221 is 1222112195.

It is a balanced prime because it is at equal distance from previous prime (5912112209) and next prime (5912112233).

It can be written as a sum of positive squares in only one way, i.e., 4887408100 + 1024704121 = 69910^2 + 32011^2 .

It is a cyclic number.

It is not a de Polignac number, because 5912112221 - 2¹⁰ = 5912111197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5912112721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2956056110 + 2956056111.

It is an arithmetic number, because the mean of its divisors is an integer number (2956056111).

Almost surely, 2^5912112221 is an apocalyptic number.

It is an amenable number.

5912112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5912112221 is an equidigital number, since it uses as much as digits as its factorization.

5912112221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 26.

The square root of 5912112221 is about 76890.2608982438. The cubic root of 5912112221 is about 1808.2045442556.

Subtracting from 5912112221 its sum of digits (26), we obtain a palindrome (5912112195).

The spelling of 5912112221 in words is "five billion, nine hundred twelve million, one hundred twelve thousand, two hundred twenty-one".