1100020203259 has 2 divisors, whose sum is σ = 1100020203260. Its totient is φ = 1100020203258.

The previous prime is 1100020203067. The next prime is 1100020203323. The reversal of 1100020203259 is 9523020200011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100020203259 - 2²⁷ = 1099885985531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100020003259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010101629 + 550010101630.

It is an arithmetic number, because the mean of its divisors is an integer number (550010101630).

Almost surely, 2^{1100020203259} is an apocalyptic number.

1100020203259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020203259 is an equidigital number, since it uses as much as digits as its factorization.

1100020203259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 1100020203259 in words is "one trillion, one hundred billion, twenty million, two hundred three thousand, two hundred fifty-nine".