211313122230 has 64 divisors (see below), whose sum is σ = 598298554368. Its totient is φ = 46742071680.

The previous prime is 211313122211. The next prime is 211313122247. The reversal of 211313122230 is 32221313112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 211313122197 and 211313122206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16223377 + ... + 16236396.

It is an arithmetic number, because the mean of its divisors is an integer number (9348414912).

Almost surely, 2^211313122230 is an apocalyptic number.

211313122230 is an abundant number, since it is smaller than the sum of its proper divisors (386985432138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211313122230 is a wasteful number, since it uses less digits than its factorization.

211313122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32459821.

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

Adding to 211313122230 its reverse (32221313112), we get a palindrome (243534435342).

The spelling of 211313122230 in words is "two hundred eleven billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred thirty".