211132320123 has 8 divisors (see below), whose sum is σ = 282233437200. Its totient is φ = 140393041568.

The previous prime is 211132320107. The next prime is 211132320143. The reversal of 211132320123 is 321023231112.

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

It is a cyclic number.

It is not a de Polignac number, because 211132320123 - 2⁴ = 211132320107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211132320123.

It is not an unprimeable number, because it can be changed into a prime (211132320143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90458268 + ... + 90460601.

It is an arithmetic number, because the mean of its divisors is an integer number (35279179650).

Almost surely, 2^211132320123 is an apocalyptic number.

211132320123 is a deficient number, since it is larger than the sum of its proper divisors (71101117077).

211132320123 is a wasteful number, since it uses less digits than its factorization.

211132320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180919261.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211132320123 its reverse (321023231112), we get a palindrome (532155551235).

The spelling of 211132320123 in words is "two hundred eleven billion, one hundred thirty-two million, three hundred twenty thousand, one hundred twenty-three".