210122102020211 has 2 divisors, whose sum is σ = 210122102020212. Its totient is φ = 210122102020210.

The previous prime is 210122102020169. The next prime is 210122102020261. The reversal of 210122102020211 is 112020201221012.

210122102020211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210122102020211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210122102020211.

It is not a weakly prime, because it can be changed into another prime (210122102020261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061051010105 + 105061051010106.

It is an arithmetic number, because the mean of its divisors is an integer number (105061051010106).

Almost surely, 2^{210122102020211} is an apocalyptic number.

210122102020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122102020211 is an equidigital number, since it uses as much as digits as its factorization.

210122102020211 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 17.

Adding to 210122102020211 its reverse (112020201221012), we get a palindrome (322142303241223).

The spelling of 210122102020211 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred two million, twenty thousand, two hundred eleven".