210022212111211 has 2 divisors, whose sum is σ = 210022212111212. Its totient is φ = 210022212111210.

The previous prime is 210022212111203. The next prime is 210022212111247. The reversal of 210022212111211 is 112111212220012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210022212111211 - 2³ = 210022212111203 is a prime.

It is not a weakly prime, because it can be changed into another prime (210022212112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011106055605 + 105011106055606.

It is an arithmetic number, because the mean of its divisors is an integer number (105011106055606).

Almost surely, 2^{210022212111211} is an apocalyptic number.

210022212111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022212111211 is an equidigital number, since it uses as much as digits as its factorization.

210022212111211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210022212111211 its reverse (112111212220012), we get a palindrome (322133424331223).

The spelling of 210022212111211 in words is "two hundred ten trillion, twenty-two billion, two hundred twelve million, one hundred eleven thousand, two hundred eleven".