221002020220199 has 2 divisors, whose sum is σ = 221002020220200. Its totient is φ = 221002020220198.

The previous prime is 221002020220183. The next prime is 221002020220213. The reversal of 221002020220199 is 991022020200122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221002020220199 - 2⁴ = 221002020220183 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 (221002020220699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501010110099 + 110501010110100.

It is an arithmetic number, because the mean of its divisors is an integer number (110501010110100).

Almost surely, 2^{221002020220199} is an apocalyptic number.

221002020220199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002020220199 is an equidigital number, since it uses as much as digits as its factorization.

221002020220199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 221002020220199 in words is "two hundred twenty-one trillion, two billion, twenty million, two hundred twenty thousand, one hundred ninety-nine".