213136127111 has 2 divisors, whose sum is σ = 213136127112. Its totient is φ = 213136127110.

The previous prime is 213136127107. The next prime is 213136127161. The reversal of 213136127111 is 111721631312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213136127111 - 2² = 213136127107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213136127161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106568063555 + 106568063556.

It is an arithmetic number, because the mean of its divisors is an integer number (106568063556).

Almost surely, 2^213136127111 is an apocalyptic number.

213136127111 is a deficient number, since it is larger than the sum of its proper divisors (1).

213136127111 is an equidigital number, since it uses as much as digits as its factorization.

213136127111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

Adding to 213136127111 its reverse (111721631312), we get a palindrome (324857758423).

The spelling of 213136127111 in words is "two hundred thirteen billion, one hundred thirty-six million, one hundred twenty-seven thousand, one hundred eleven".