211244310222 has 16 divisors (see below), whose sum is σ = 460896676992. Its totient is φ = 64013427320.

The previous prime is 211244310217. The next prime is 211244310289. The reversal of 211244310222 is 222013442112.

It is a junction number, because it is equal to n+sod(n) for n = 211244310192 and 211244310201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600335618 + ... + 1600335749.

It is an arithmetic number, because the mean of its divisors is an integer number (28806042312).

Almost surely, 2^211244310222 is an apocalyptic number.

211244310222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211244310222 is an abundant number, since it is smaller than the sum of its proper divisors (249652366770).

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

211244310222 is a wasteful number, since it uses less digits than its factorization.

211244310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200671383.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 211244310222 its reverse (222013442112), we get a palindrome (433257752334).

The spelling of 211244310222 in words is "two hundred eleven billion, two hundred forty-four million, three hundred ten thousand, two hundred twenty-two".