22222012312311 has 32 divisors (see below), whose sum is σ = 34277855270400. Its totient is φ = 12542683676160.

The previous prime is 22222012312207. The next prime is 22222012312327. The reversal of 22222012312311 is 11321321022222.

It is not a de Polignac number, because 22222012312311 - 2¹⁸ = 22222012050167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222012312361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4307646 + ... + 7937243.

It is an arithmetic number, because the mean of its divisors is an integer number (1071182977200).

Almost surely, 2^{22222012312311} is an apocalyptic number.

22222012312311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22222012312311 is a deficient number, since it is larger than the sum of its proper divisors (12055842958089).

22222012312311 is a wasteful number, since it uses less digits than its factorization.

22222012312311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245959.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22222012312311 its reverse (11321321022222), we get a palindrome (33543333334533).

The spelling of 22222012312311 in words is "twenty-two trillion, two hundred twenty-two billion, twelve million, three hundred twelve thousand, three hundred eleven".