211422134223 has 6 divisors (see below), whose sum is σ = 305387527224. Its totient is φ = 140948089476.

The previous prime is 211422134197. The next prime is 211422134233. The reversal of 211422134223 is 322431224112.

211422134223 is a `hidden beast` number, since 2 + 1 + 1 + 422 + 13 + 4 + 223 = 666.

It is not a de Polignac number, because 211422134223 - 2⁹ = 211422133711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422134233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11745674115 + ... + 11745674132.

It is an arithmetic number, because the mean of its divisors is an integer number (50897921204).

Almost surely, 2^211422134223 is an apocalyptic number.

211422134223 is a deficient number, since it is larger than the sum of its proper divisors (93965393001).

211422134223 is a wasteful number, since it uses less digits than its factorization.

211422134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23491348253 (or 23491348250 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 211422134223 its reverse (322431224112), we get a palindrome (533853358335).

The spelling of 211422134223 in words is "two hundred eleven billion, four hundred twenty-two million, one hundred thirty-four thousand, two hundred twenty-three".