211252322134 has 8 divisors (see below), whose sum is σ = 362146837968. Its totient is φ = 90536709480.

The previous prime is 211252322131. The next prime is 211252322159. The reversal of 211252322134 is 431223252112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211252322131) 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 in 3 ways as a sum of consecutive naturals, for example, 7544725777 + ... + 7544725804.

It is an arithmetic number, because the mean of its divisors is an integer number (45268354746).

Almost surely, 2^211252322134 is an apocalyptic number.

211252322134 is a deficient number, since it is larger than the sum of its proper divisors (150894515834).

211252322134 is a wasteful number, since it uses less digits than its factorization.

211252322134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15089451590.

The product of its digits is 5760, while the sum is 28.

Adding to 211252322134 its reverse (431223252112), we get a palindrome (642475574246).

The spelling of 211252322134 in words is "two hundred eleven billion, two hundred fifty-two million, three hundred twenty-two thousand, one hundred thirty-four".