112617221 has 2 divisors, whose sum is σ = 112617222. Its totient is φ = 112617220.

The previous prime is 112617191. The next prime is 112617227. The reversal of 112617221 is 122716211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89094721 + 23522500 = 9439^2 + 4850^2 .

It is an emirp because it is prime and its reverse (122716211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112617221 - 2⁶ = 112617157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112617227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56308610 + 56308611.

It is an arithmetic number, because the mean of its divisors is an integer number (56308611).

Almost surely, 2^112617221 is an apocalyptic number.

It is an amenable number.

112617221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112617221 is an equidigital number, since it uses as much as digits as its factorization.

112617221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 112617221 is about 10612.1261300458. The cubic root of 112617221 is about 482.9123017036.

The spelling of 112617221 in words is "one hundred twelve million, six hundred seventeen thousand, two hundred twenty-one".