211313331222 has 32 divisors (see below), whose sum is σ = 487515946752. Its totient is φ = 59810981664.

The previous prime is 211313331217. The next prime is 211313331233. The reversal of 211313331222 is 222133313112.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211313331192 and 211313331201.

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, 23506113 + ... + 23515100.

It is an arithmetic number, because the mean of its divisors is an integer number (15234873336).

Almost surely, 2^211313331222 is an apocalyptic number.

211313331222 is an abundant number, since it is smaller than the sum of its proper divisors (276202615530).

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

211313331222 is a wasteful number, since it uses less digits than its factorization.

211313331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47021332.

The product of its digits is 1296, while the sum is 24.

Adding to 211313331222 its reverse (222133313112), we get a palindrome (433446644334).

The spelling of 211313331222 in words is "two hundred eleven billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred twenty-two".