12220222231311 has 16 divisors (see below), whose sum is σ = 17002159842816. Its totient is φ = 7792554367136.

The previous prime is 12220222231303. The next prime is 12220222231391. The reversal of 12220222231311 is 11313222202221.

It is a cyclic number.

It is not a de Polignac number, because 12220222231311 - 2³ = 12220222231303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220222231391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11964121 + ... + 12945293.

It is an arithmetic number, because the mean of its divisors is an integer number (1062634990176).

Almost surely, 2^{12220222231311} is an apocalyptic number.

12220222231311 is a deficient number, since it is larger than the sum of its proper divisors (4781937611505).

12220222231311 is a wasteful number, since it uses less digits than its factorization.

12220222231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161702.

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

Adding to 12220222231311 its reverse (11313222202221), we get a palindrome (23533444433532).

The spelling of 12220222231311 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, two hundred thirty-one thousand, three hundred eleven".