112231211 has 2 divisors, whose sum is σ = 112231212. Its totient is φ = 112231210.

The previous prime is 112231201. The next prime is 112231213. The reversal of 112231211 is 112132211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112231211 is a prime.

It is a Sophie Germain prime.

Together with 112231213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112231213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56115605 + 56115606.

It is an arithmetic number, because the mean of its divisors is an integer number (56115606).

Almost surely, 2^112231211 is an apocalyptic number.

112231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

112231211 is an equidigital number, since it uses as much as digits as its factorization.

112231211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24, while the sum is 14.

The square root of 112231211 is about 10593.9233053671. The cubic root of 112231211 is about 482.3599221100.

Adding to 112231211 its reverse (112132211), we get a palindrome (224363422).

The spelling of 112231211 in words is "one hundred twelve million, two hundred thirty-one thousand, two hundred eleven".