11112251 has 2 divisors, whose sum is σ = 11112252. Its totient is φ = 11112250.

The previous prime is 11112239. The next prime is 11112253. The reversal of 11112251 is 15221111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112251 - 2²² = 6917947 is a prime.

Together with 11112253, 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 (11112253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556125 + 5556126.

It is an arithmetic number, because the mean of its divisors is an integer number (5556126).

Almost surely, 2^11112251 is an apocalyptic number.

11112251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112251 is an equidigital number, since it uses as much as digits as its factorization.

11112251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20, while the sum is 14.

The square root of 11112251 is about 3333.5043122816. The cubic root of 11112251 is about 223.1519472249.

Adding to 11112251 its reverse (15221111), we get a palindrome (26333362).

The spelling of 11112251 in words is "eleven million, one hundred twelve thousand, two hundred fifty-one".