211301321230 has 32 divisors (see below), whose sum is σ = 400412057760. Its totient is φ = 80061747840.

The previous prime is 211301321227. The next prime is 211301321239. The reversal of 211301321230 is 32123103112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 211301321198 and 211301321207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211301321239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494352 + ... + 1629628.

It is an arithmetic number, because the mean of its divisors is an integer number (12512876805).

Almost surely, 2^211301321230 is an apocalyptic number.

211301321230 is a deficient number, since it is larger than the sum of its proper divisors (189110736530).

211301321230 is a wasteful number, since it uses less digits than its factorization.

211301321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143524.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211301321230 its reverse (32123103112), we get a palindrome (243424424342).

The spelling of 211301321230 in words is "two hundred eleven billion, three hundred one million, three hundred twenty-one thousand, two hundred thirty".