2211331312222 has 24 divisors (see below), whose sum is σ = 3500917459416. Its totient is φ = 1047426844464.

The previous prime is 2211331312213. The next prime is 2211331312297. The reversal of 2211331312222 is 2222131331122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21010413 + ... + 21115399.

It is an arithmetic number, because the mean of its divisors is an integer number (145871560809).

Almost surely, 2^{2211331312222} is an apocalyptic number.

2211331312222 is a deficient number, since it is larger than the sum of its proper divisors (1289586147194).

2211331312222 is a wasteful number, since it uses less digits than its factorization.

2211331312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134200 (or 134181 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 2211331312222 its reverse (2222131331122), we get a palindrome (4433462643344).

The spelling of 2211331312222 in words is "two trillion, two hundred eleven billion, three hundred thirty-one million, three hundred twelve thousand, two hundred twenty-two".