2012220122111 has 8 divisors (see below), whose sum is σ = 2044209511344. Its totient is φ = 1980350320320.

The previous prime is 2012220122071. The next prime is 2012220122113. The reversal of 2012220122111 is 1112210222102.

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-2012220122111 is a prime.

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 2012220122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012220122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29862941 + ... + 29930246.

It is an arithmetic number, because the mean of its divisors is an integer number (255526188918).

Almost surely, 2^{2012220122111} is an apocalyptic number.

2012220122111 is a deficient number, since it is larger than the sum of its proper divisors (31989389233).

2012220122111 is an equidigital number, since it uses as much as digits as its factorization.

2012220122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59793721.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2012220122111 its reverse (1112210222102), we get a palindrome (3124430344213).

Subtracting from 2012220122111 its reverse (1112210222102), we obtain a palindrome (900009900009).

The spelling of 2012220122111 in words is "two trillion, twelve billion, two hundred twenty million, one hundred twenty-two thousand, one hundred eleven".