113214221 has 2 divisors, whose sum is σ = 113214222. Its totient is φ = 113214220.

The previous prime is 113214193. The next prime is 113214253. The reversal of 113214221 is 122412311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109956196 + 3258025 = 10486^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 113214221 - 2¹⁰ = 113213197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113214221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113214281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56607110 + 56607111.

It is an arithmetic number, because the mean of its divisors is an integer number (56607111).

Almost surely, 2^113214221 is an apocalyptic number.

It is an amenable number.

113214221 is a deficient number, since it is larger than the sum of its proper divisors (1).

113214221 is an equidigital number, since it uses as much as digits as its factorization.

113214221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 113214221 is about 10640.2171500397. The cubic root of 113214221 is about 483.7641273219.

Adding to 113214221 its reverse (122412311), we get a palindrome (235626532).

The spelling of 113214221 in words is "one hundred thirteen million, two hundred fourteen thousand, two hundred twenty-one".