211321100222 has 16 divisors (see below), whose sum is σ = 319521535872. Its totient is φ = 104817184920.

The previous prime is 211321100203. The next prime is 211321100231. The reversal of 211321100222 is 222001123112.

It is a self number, because there is not a number n which added to its sum of digits gives 211321100222.

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, 686018 + ... + 945125.

It is an arithmetic number, because the mean of its divisors is an integer number (19970095992).

Almost surely, 2^211321100222 is an apocalyptic number.

211321100222 is a deficient number, since it is larger than the sum of its proper divisors (108200435650).

211321100222 is a wasteful number, since it uses less digits than its factorization.

211321100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631663.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211321100222 its reverse (222001123112), we get a palindrome (433322223334).

The spelling of 211321100222 in words is "two hundred eleven billion, three hundred twenty-one million, one hundred thousand, two hundred twenty-two".