21222000200207 has 2 divisors, whose sum is σ = 21222000200208. Its totient is φ = 21222000200206.

The previous prime is 21222000200119. The next prime is 21222000200213. The reversal of 21222000200207 is 70200200022212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21222000200207 - 2²⁶ = 21221933091343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21222000220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611000100103 + 10611000100104.

It is an arithmetic number, because the mean of its divisors is an integer number (10611000100104).

Almost surely, 2^{21222000200207} is an apocalyptic number.

21222000200207 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222000200207 is an equidigital number, since it uses as much as digits as its factorization.

21222000200207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 21222000200207 its reverse (70200200022212), we get a palindrome (91422200222419).

The spelling of 21222000200207 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thousand, two hundred seven".