11121222859 has 2 divisors, whose sum is σ = 11121222860. Its totient is φ = 11121222858.

The previous prime is 11121222743. The next prime is 11121222881. The reversal of 11121222859 is 95822212111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121222859 - 2⁹ = 11121222347 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121292859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560611429 + 5560611430.

It is an arithmetic number, because the mean of its divisors is an integer number (5560611430).

Almost surely, 2^11121222859 is an apocalyptic number.

11121222859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121222859 is an equidigital number, since it uses as much as digits as its factorization.

11121222859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 34.

The spelling of 11121222859 in words is "eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, eight hundred fifty-nine".