210211211221043 has 2 divisors, whose sum is σ = 210211211221044. Its totient is φ = 210211211221042.

The previous prime is 210211211221007. The next prime is 210211211221093. The reversal of 210211211221043 is 340122112112012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210211211221043 - 2¹⁸ = 210211210958899 is a prime.

It is not a weakly prime, because it can be changed into another prime (210211211221093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105605610521 + 105105605610522.

It is an arithmetic number, because the mean of its divisors is an integer number (105105605610522).

Almost surely, 2^{210211211221043} is an apocalyptic number.

210211211221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211211221043 is an equidigital number, since it uses as much as digits as its factorization.

210211211221043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 210211211221043 its reverse (340122112112012), we get a palindrome (550333323333055).

The spelling of 210211211221043 in words is "two hundred ten trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty-one thousand, forty-three".