21010220022199 has 2 divisors, whose sum is σ = 21010220022200. Its totient is φ = 21010220022198.

The previous prime is 21010220022161. The next prime is 21010220022217. The reversal of 21010220022199 is 99122002201012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21010220022199 - 2³⁹ = 20460464208311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21010220022199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21010220025199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505110011099 + 10505110011100.

It is an arithmetic number, because the mean of its divisors is an integer number (10505110011100).

Almost surely, 2^{21010220022199} is an apocalyptic number.

21010220022199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010220022199 is an equidigital number, since it uses as much as digits as its factorization.

21010220022199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 21010220022199 in words is "twenty-one trillion, ten billion, two hundred twenty million, twenty-two thousand, one hundred ninety-nine".