2122121220259 has 2 divisors, whose sum is σ = 2122121220260. Its totient is φ = 2122121220258.

The previous prime is 2122121220251. The next prime is 2122121220301. The reversal of 2122121220259 is 9520221212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122121220259 - 2³ = 2122121220251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122121220259.

It is not a weakly prime, because it can be changed into another prime (2122121220251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061060610129 + 1061060610130.

It is an arithmetic number, because the mean of its divisors is an integer number (1061060610130).

Almost surely, 2^{2122121220259} is an apocalyptic number.

2122121220259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122121220259 is an equidigital number, since it uses as much as digits as its factorization.

2122121220259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 2122121220259 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred fifty-nine".