2122220012311 has 4 divisors (see below), whose sum is σ = 2425394299792. Its totient is φ = 1819045724832.

The previous prime is 2122220012279. The next prime is 2122220012323. The reversal of 2122220012311 is 1132100222212.

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

It is not a de Polignac number, because 2122220012311 - 2⁵ = 2122220012279 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 (2122220022311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151587143730 + ... + 151587143743.

It is an arithmetic number, because the mean of its divisors is an integer number (606348574948).

Almost surely, 2^{2122220012311} is an apocalyptic number.

2122220012311 is a deficient number, since it is larger than the sum of its proper divisors (303174287481).

2122220012311 is an equidigital number, since it uses as much as digits as its factorization.

2122220012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303174287480.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2122220012311 its reverse (1132100222212), we get a palindrome (3254320234523).

The spelling of 2122220012311 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, three hundred eleven".