200121220120259 has 2 divisors, whose sum is σ = 200121220120260. Its totient is φ = 200121220120258.

The previous prime is 200121220120193. The next prime is 200121220120279. The reversal of 200121220120259 is 952021022121002.

It is a happy number.

200121220120259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121220120259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (200121220120279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060610060129 + 100060610060130.

It is an arithmetic number, because the mean of its divisors is an integer number (100060610060130).

Almost surely, 2^{200121220120259} is an apocalyptic number.

200121220120259 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121220120259 is an equidigital number, since it uses as much as digits as its factorization.

200121220120259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 200121220120259 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, two hundred fifty-nine".