202221001999999 has 2 divisors, whose sum is σ = 202221002000000. Its totient is φ = 202221001999998.

The previous prime is 202221001999997. The next prime is 202221002000021. The reversal of 202221001999999 is 999999100122202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202221001999999 - 2¹ = 202221001999997 is a prime.

Together with 202221001999997, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202221001999999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202221001999993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110500999999 + 101110501000000.

It is an arithmetic number, because the mean of its divisors is an integer number (101110501000000).

Almost surely, 2^{202221001999999} is an apocalyptic number.

202221001999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221001999999 is an equidigital number, since it uses as much as digits as its factorization.

202221001999999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8503056, while the sum is 64.

The spelling of 202221001999999 in words is "two hundred two trillion, two hundred twenty-one billion, one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".