213013122211 has 2 divisors, whose sum is σ = 213013122212. Its totient is φ = 213013122210.

The previous prime is 213013122187. The next prime is 213013122227. The reversal of 213013122211 is 112221310312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213013122211 - 2¹³ = 213013114019 is a prime.

It is not a weakly prime, because it can be changed into another prime (213013122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506561105 + 106506561106.

It is an arithmetic number, because the mean of its divisors is an integer number (106506561106).

Almost surely, 2^213013122211 is an apocalyptic number.

213013122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

213013122211 is an equidigital number, since it uses as much as digits as its factorization.

213013122211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213013122211 its reverse (112221310312), we get a palindrome (325234432523).

The spelling of 213013122211 in words is "two hundred thirteen billion, thirteen million, one hundred twenty-two thousand, two hundred eleven".