102221200111211 has 2 divisors, whose sum is σ = 102221200111212. Its totient is φ = 102221200111210.

The previous prime is 102221200111207. The next prime is 102221200111273. The reversal of 102221200111211 is 112111002122201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102221200111211 - 2² = 102221200111207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102221200111211.

It is not a weakly prime, because it can be changed into another prime (102221200111111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110600055605 + 51110600055606.

It is an arithmetic number, because the mean of its divisors is an integer number (51110600055606).

Almost surely, 2^{102221200111211} is an apocalyptic number.

102221200111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221200111211 is an equidigital number, since it uses as much as digits as its factorization.

102221200111211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102221200111211 its reverse (112111002122201), we get a palindrome (214332202233412).

The spelling of 102221200111211 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred million, one hundred eleven thousand, two hundred eleven".