2212311313111 has 4 divisors (see below), whose sum is σ = 2214396433224. Its totient is φ = 2210226193000.

The previous prime is 2212311313073. The next prime is 2212311313207. The reversal of 2212311313111 is 1113131132122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212311313111 - 2¹⁵ = 2212311280343 is a prime.

It is a super-2 number, since 2×2212311313111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212311383111) 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, 1042558465 + ... + 1042560586.

It is an arithmetic number, because the mean of its divisors is an integer number (553599108306).

Almost surely, 2^{2212311313111} is an apocalyptic number.

2212311313111 is a deficient number, since it is larger than the sum of its proper divisors (2085120113).

2212311313111 is a wasteful number, since it uses less digits than its factorization.

2212311313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085120112.

The product of its digits is 216, while the sum is 22.

Adding to 2212311313111 its reverse (1113131132122), we get a palindrome (3325442445233).

The spelling of 2212311313111 in words is "two trillion, two hundred twelve billion, three hundred eleven million, three hundred thirteen thousand, one hundred eleven".