111407213 has 2 divisors, whose sum is σ = 111407214. Its totient is φ = 111407212.

The previous prime is 111407207. The next prime is 111407293. The reversal of 111407213 is 312704111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 1304164 = 10493^2 + 1142^2 .

It is an emirp because it is prime and its reverse (312704111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111407213 - 2⁸ = 111406957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111407293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55703606 + 55703607.

It is an arithmetic number, because the mean of its divisors is an integer number (55703607).

Almost surely, 2^111407213 is an apocalyptic number.

It is an amenable number.

111407213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111407213 is an equidigital number, since it uses as much as digits as its factorization.

111407213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 111407213 is about 10554.9615347475. The cubic root of 111407213 is about 481.1765307984.

The spelling of 111407213 in words is "one hundred eleven million, four hundred seven thousand, two hundred thirteen".