212011013311 has 2 divisors, whose sum is σ = 212011013312. Its totient is φ = 212011013310.

The previous prime is 212011013299. The next prime is 212011013321. The reversal of 212011013311 is 113310110212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212011013311 - 2²³ = 212002624703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212011013321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005506655 + 106005506656.

It is an arithmetic number, because the mean of its divisors is an integer number (106005506656).

Almost surely, 2^212011013311 is an apocalyptic number.

212011013311 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011013311 is an equidigital number, since it uses as much as digits as its factorization.

212011013311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 212011013311 its reverse (113310110212), we get a palindrome (325321123523).

The spelling of 212011013311 in words is "two hundred twelve billion, eleven million, thirteen thousand, three hundred eleven".