10002120111959 has 2 divisors, whose sum is σ = 10002120111960. Its totient is φ = 10002120111958.

The previous prime is 10002120111953. The next prime is 10002120112067. The reversal of 10002120111959 is 95911102120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10002120111959 - 2²⁸ = 10001851676503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002120111953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001060055979 + 5001060055980.

It is an arithmetic number, because the mean of its divisors is an integer number (5001060055980).

Almost surely, 2^{10002120111959} is an apocalyptic number.

10002120111959 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002120111959 is an equidigital number, since it uses as much as digits as its factorization.

10002120111959 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 10002120111959 in words is "ten trillion, two billion, one hundred twenty million, one hundred eleven thousand, nine hundred fifty-nine".