1100120121959 has 2 divisors, whose sum is σ = 1100120121960. Its totient is φ = 1100120121958.

The previous prime is 1100120121937. The next prime is 1100120122021. The reversal of 1100120121959 is 9591210210011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100120121959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100120121259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550060060979 + 550060060980.

It is an arithmetic number, because the mean of its divisors is an integer number (550060060980).

Almost surely, 2^{1100120121959} is an apocalyptic number.

1100120121959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100120121959 is an equidigital number, since it uses as much as digits as its factorization.

1100120121959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 32.

The spelling of 1100120121959 in words is "one trillion, one hundred billion, one hundred twenty million, one hundred twenty-one thousand, nine hundred fifty-nine".