213427011911 has 2 divisors, whose sum is σ = 213427011912. Its totient is φ = 213427011910.

The previous prime is 213427011893. The next prime is 213427011943. The reversal of 213427011911 is 119110724312.

213427011911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (213427011943) can be obtained adding 213427011911 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213427011911 - 2²² = 213422817607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213427001911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106713505955 + 106713505956.

It is an arithmetic number, because the mean of its divisors is an integer number (106713505956).

Almost surely, 2^213427011911 is an apocalyptic number.

213427011911 is a deficient number, since it is larger than the sum of its proper divisors (1).

213427011911 is an equidigital number, since it uses as much as digits as its factorization.

213427011911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 213427011911 in words is "two hundred thirteen billion, four hundred twenty-seven million, eleven thousand, nine hundred eleven".