1100120121259 has 2 divisors, whose sum is σ = 1100120121260. Its totient is φ = 1100120121258.

The previous prime is 1100120121227. The next prime is 1100120121337. The reversal of 1100120121259 is 9521210210011.

It is a weak prime.

It is an emirp because it is prime and its reverse (9521210210011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100120121259 - 2⁵ = 1100120121227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100120121959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550060060629 + 550060060630.

It is an arithmetic number, because the mean of its divisors is an integer number (550060060630).

Almost surely, 2^{1100120121259} is an apocalyptic number.

1100120121259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100120121259 is an equidigital number, since it uses as much as digits as its factorization.

1100120121259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 1100120121259 in words is "one trillion, one hundred billion, one hundred twenty million, one hundred twenty-one thousand, two hundred fifty-nine".