211232121331222 has 4 divisors (see below), whose sum is σ = 316848181996836. Its totient is φ = 105616060665610.

The previous prime is 211232121331183. The next prime is 211232121331321. The reversal of 211232121331222 is 222133121232112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52808030332804 + ... + 52808030332807.

It is an arithmetic number, because the mean of its divisors is an integer number (79212045499209).

Almost surely, 2^{211232121331222} is an apocalyptic number.

211232121331222 is a deficient number, since it is larger than the sum of its proper divisors (105616060665614).

211232121331222 is a wasteful number, since it uses less digits than its factorization.

211232121331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105616060665613.

The product of its digits is 3456, while the sum is 28.

Adding to 211232121331222 its reverse (222133121232112), we get a palindrome (433365242563334).

The spelling of 211232121331222 in words is "two hundred eleven trillion, two hundred thirty-two billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty-two".