2222012122111 has 4 divisors (see below), whose sum is σ = 2298633229800. Its totient is φ = 2145391014424.

The previous prime is 2222012122073. The next prime is 2222012122159. The reversal of 2222012122111 is 1112212102222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222012122111 - 2¹⁵ = 2222012089343 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 (2222012125111) 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 3 ways as a sum of consecutive naturals, for example, 38310553801 + ... + 38310553858.

It is an arithmetic number, because the mean of its divisors is an integer number (574658307450).

Almost surely, 2^{2222012122111} is an apocalyptic number.

2222012122111 is a deficient number, since it is larger than the sum of its proper divisors (76621107689).

2222012122111 is an equidigital number, since it uses as much as digits as its factorization.

2222012122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76621107688.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2222012122111 its reverse (1112212102222), we get a palindrome (3334224224333).

The spelling of 2222012122111 in words is "two trillion, two hundred twenty-two billion, twelve million, one hundred twenty-two thousand, one hundred eleven".