2012120222111 has 8 divisors (see below), whose sum is σ = 2030350661280. Its totient is φ = 1993897222912.

The previous prime is 2012120222107. The next prime is 2012120222153. The reversal of 2012120222111 is 1112220212102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012120222111 - 2² = 2012120222107 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 2012120222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012120222191) 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, 1315931 + ... + 2399148.

It is an arithmetic number, because the mean of its divisors is an integer number (253793832660).

Almost surely, 2^{2012120222111} is an apocalyptic number.

2012120222111 is a deficient number, since it is larger than the sum of its proper divisors (18230439169).

2012120222111 is a wasteful number, since it uses less digits than its factorization.

2012120222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719985.

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

Adding to 2012120222111 its reverse (1112220212102), we get a palindrome (3124340434213).

The spelling of 2012120222111 in words is "two trillion, twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred eleven".