202221213020329 has 2 divisors, whose sum is σ = 202221213020330. Its totient is φ = 202221213020328.

The previous prime is 202221213020303. The next prime is 202221213020363. The reversal of 202221213020329 is 923020312122202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192467759225625 + 9753453794704 = 13873275^2 + 3123052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202221213020329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202221213020329.

It is not a weakly prime, because it can be changed into another prime (202221213020389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110606510164 + 101110606510165.

It is an arithmetic number, because the mean of its divisors is an integer number (101110606510165).

Almost surely, 2^{202221213020329} is an apocalyptic number.

It is an amenable number.

202221213020329 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221213020329 is an equidigital number, since it uses as much as digits as its factorization.

202221213020329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 202221213020329 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred thirteen million, twenty thousand, three hundred twenty-nine".