20010102120199 has 2 divisors, whose sum is σ = 20010102120200. Its totient is φ = 20010102120198.

The previous prime is 20010102120191. The next prime is 20010102120233. The reversal of 20010102120199 is 99102120101002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010102120199 - 2³ = 20010102120191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010102120191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005051060099 + 10005051060100.

It is an arithmetic number, because the mean of its divisors is an integer number (10005051060100).

Almost surely, 2^{20010102120199} is an apocalyptic number.

20010102120199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010102120199 is an equidigital number, since it uses as much as digits as its factorization.

20010102120199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 20010102120199 in words is "twenty trillion, ten billion, one hundred two million, one hundred twenty thousand, one hundred ninety-nine".