211012320230 has 32 divisors (see below), whose sum is σ = 380648467584. Its totient is φ = 84221479296.

The previous prime is 211012320203. The next prime is 211012320241. The reversal of 211012320230 is 32023210112.

It is a junction number, because it is equal to n+sod(n) for n = 211012320199 and 211012320208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11045747 + ... + 11064833.

It is an arithmetic number, because the mean of its divisors is an integer number (11895264612).

Almost surely, 2^211012320230 is an apocalyptic number.

211012320230 is a deficient number, since it is larger than the sum of its proper divisors (169636147354).

211012320230 is a wasteful number, since it uses less digits than its factorization.

211012320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21440.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211012320230 its reverse (32023210112), we get a palindrome (243035530342).

The spelling of 211012320230 in words is "two hundred eleven billion, twelve million, three hundred twenty thousand, two hundred thirty".