12222120010111 has 16 divisors (see below), whose sum is σ = 13422828515328. Its totient is φ = 11036517824800.

The previous prime is 12222120010097. The next prime is 12222120010183. The reversal of 12222120010111 is 11101002122221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222120010111 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 (12222120013111) 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, 2873995 + ... + 5718748.

It is an arithmetic number, because the mean of its divisors is an integer number (838926782208).

Almost surely, 2^{12222120010111} is an apocalyptic number.

12222120010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12222120010111 is a deficient number, since it is larger than the sum of its proper divisors (1200708505217).

12222120010111 is a wasteful number, since it uses less digits than its factorization.

12222120010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593622.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12222120010111 its reverse (11101002122221), we get a palindrome (23323122132332).

The spelling of 12222120010111 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, ten thousand, one hundred eleven".