2101212010159 has 2 divisors, whose sum is σ = 2101212010160. Its totient is φ = 2101212010158.

The previous prime is 2101212010127. The next prime is 2101212010207. The reversal of 2101212010159 is 9510102121012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101212010159 - 2⁵ = 2101212010127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101212010759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050606005079 + 1050606005080.

It is an arithmetic number, because the mean of its divisors is an integer number (1050606005080).

Almost surely, 2^{2101212010159} is an apocalyptic number.

2101212010159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101212010159 is an equidigital number, since it uses as much as digits as its factorization.

2101212010159 is an evil number, because the sum of its binary digits is even.

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

The spelling of 2101212010159 in words is "two trillion, one hundred one billion, two hundred twelve million, ten thousand, one hundred fifty-nine".