11121232249 has 2 divisors, whose sum is σ = 11121232250. Its totient is φ = 11121232248.

The previous prime is 11121232223. The next prime is 11121232253. The reversal of 11121232249 is 94223212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5836960000 + 5284272249 = 76400^2 + 72693^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121232249 - 2⁷ = 11121232121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121232289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560616124 + 5560616125.

It is an arithmetic number, because the mean of its divisors is an integer number (5560616125).

Almost surely, 2^11121232249 is an apocalyptic number.

It is an amenable number.

11121232249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121232249 is an equidigital number, since it uses as much as digits as its factorization.

11121232249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The spelling of 11121232249 in words is "eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred forty-nine".