200221120001999 has 2 divisors, whose sum is σ = 200221120002000. Its totient is φ = 200221120001998.

The previous prime is 200221120001977. The next prime is 200221120002017. The reversal of 200221120001999 is 999100021122002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200221120001999 - 2¹² = 200221119997903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221120001899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110560000999 + 100110560001000.

It is an arithmetic number, because the mean of its divisors is an integer number (100110560001000).

Almost surely, 2^{200221120001999} is an apocalyptic number.

200221120001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221120001999 is an equidigital number, since it uses as much as digits as its factorization.

200221120001999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 200221120001999 in words is "two hundred trillion, two hundred twenty-one billion, one hundred twenty million, one thousand, nine hundred ninety-nine".