2120211212159 has 2 divisors, whose sum is σ = 2120211212160. Its totient is φ = 2120211212158.

The previous prime is 2120211212129. The next prime is 2120211212227. The reversal of 2120211212159 is 9512121120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120211212159 - 2²⁰ = 2120210163583 is a prime.

It is a super-2 number, since 2×2120211212159² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120211212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105606079 + 1060105606080.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105606080).

Almost surely, 2^{2120211212159} is an apocalyptic number.

2120211212159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120211212159 is an equidigital number, since it uses as much as digits as its factorization.

2120211212159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 2120211212159 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twelve thousand, one hundred fifty-nine".