102210220111211 has 2 divisors, whose sum is σ = 102210220111212. Its totient is φ = 102210220111210.

The previous prime is 102210220111189. The next prime is 102210220111229. The reversal of 102210220111211 is 112111022012201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102210220111211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102210220111211.

It is not a weakly prime, because it can be changed into another prime (102210220111711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105110055605 + 51105110055606.

It is an arithmetic number, because the mean of its divisors is an integer number (51105110055606).

Almost surely, 2^{102210220111211} is an apocalyptic number.

102210220111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210220111211 is an equidigital number, since it uses as much as digits as its factorization.

102210220111211 is an evil number, because the sum of its binary digits is even.

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

Adding to 102210220111211 its reverse (112111022012201), we get a palindrome (214321242123412).

The spelling of 102210220111211 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty million, one hundred eleven thousand, two hundred eleven".