2212122011111 has 8 divisors (see below), whose sum is σ = 2465522984880. Its totient is φ = 1972418387328.

The previous prime is 2212122011089. The next prime is 2212122011153. The reversal of 2212122011111 is 1111102212122.

2212122011111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212122011111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212122011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212122011191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424337156 + ... + 3424337801.

It is an arithmetic number, because the mean of its divisors is an integer number (308190373110).

Almost surely, 2^{2212122011111} is an apocalyptic number.

2212122011111 is a deficient number, since it is larger than the sum of its proper divisors (253400973769).

2212122011111 is a wasteful number, since it uses less digits than its factorization.

2212122011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848674993.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2212122011111 its reverse (1111102212122), we get a palindrome (3323224223233).

The spelling of 2212122011111 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, eleven thousand, one hundred eleven".