22121302212311 has 8 divisors (see below), whose sum is σ = 22148968523040. Its totient is φ = 22093636699008.

The previous prime is 22121302212307. The next prime is 22121302212329. The reversal of 22121302212311 is 11321220312122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22121302212311 - 2² = 22121302212307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121302212301) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 71301755 + ... + 71611331.

It is an arithmetic number, because the mean of its divisors is an integer number (2768621065380).

Almost surely, 2^{22121302212311} is an apocalyptic number.

22121302212311 is a deficient number, since it is larger than the sum of its proper divisors (27666310729).

22121302212311 is an equidigital number, since it uses as much as digits as its factorization.

22121302212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398713.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22121302212311 its reverse (11321220312122), we get a palindrome (33442522524433).

The spelling of 22121302212311 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred two million, two hundred twelve thousand, three hundred eleven".