21210200011199 has 2 divisors, whose sum is σ = 21210200011200. Its totient is φ = 21210200011198.

The previous prime is 21210200011171. The next prime is 21210200011223. The reversal of 21210200011199 is 99111000201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21210200011199 - 2¹² = 21210200007103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21210200061199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605100005599 + 10605100005600.

It is an arithmetic number, because the mean of its divisors is an integer number (10605100005600).

Almost surely, 2^{21210200011199} is an apocalyptic number.

21210200011199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21210200011199 is an equidigital number, since it uses as much as digits as its factorization.

21210200011199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 21210200011199 in words is "twenty-one trillion, two hundred ten billion, two hundred million, eleven thousand, one hundred ninety-nine".