202221121220159 has 2 divisors, whose sum is σ = 202221121220160. Its totient is φ = 202221121220158.

The previous prime is 202221121220119. The next prime is 202221121220191. The reversal of 202221121220159 is 951022121122202.

It is an a-pointer prime, because the next prime (202221121220191) can be obtained adding 202221121220159 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202221121220159 - 2²⁰ = 202221120171583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202221121220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110560610079 + 101110560610080.

It is an arithmetic number, because the mean of its divisors is an integer number (101110560610080).

Almost surely, 2^{202221121220159} is an apocalyptic number.

202221121220159 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221121220159 is an equidigital number, since it uses as much as digits as its factorization.

202221121220159 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 32.

The spelling of 202221121220159 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred fifty-nine".