2212212222111 has 8 divisors (see below), whose sum is σ = 2949914246704. Its totient is φ = 1474659172800.

The previous prime is 2212212222107. The next prime is 2212212222163. The reversal of 2212212222111 is 1112222122122.

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

It is not a de Polignac number, because 2212212222111 - 2² = 2212212222107 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 (2212212222611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37209166 + ... + 37268571.

It is an arithmetic number, because the mean of its divisors is an integer number (368739280838).

Almost surely, 2^{2212212222111} is an apocalyptic number.

2212212222111 is a deficient number, since it is larger than the sum of its proper divisors (737702024593).

2212212222111 is an equidigital number, since it uses as much as digits as its factorization.

2212212222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74487641.

The product of its digits is 256, while the sum is 21.

Adding to 2212212222111 its reverse (1112222122122), we get a palindrome (3324434344233).

The spelling of 2212212222111 in words is "two trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, one hundred eleven".