1110111021259 has 2 divisors, whose sum is σ = 1110111021260. Its totient is φ = 1110111021258.

The previous prime is 1110111021193. The next prime is 1110111021289. The reversal of 1110111021259 is 9521201110111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110111021259 - 2⁹ = 1110111020747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110111021289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055510629 + 555055510630.

It is an arithmetic number, because the mean of its divisors is an integer number (555055510630).

Almost surely, 2^{1110111021259} is an apocalyptic number.

1110111021259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110111021259 is an equidigital number, since it uses as much as digits as its factorization.

1110111021259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 25.

The spelling of 1110111021259 in words is "one trillion, one hundred ten billion, one hundred eleven million, twenty-one thousand, two hundred fifty-nine".