2222012311111 has 4 divisors (see below), whose sum is σ = 2263937071752. Its totient is φ = 2180087550472.

The previous prime is 2222012311039. The next prime is 2222012311171. The reversal of 2222012311111 is 1111132102222.

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 2222012311111 - 2⁹ = 2222012310599 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 (2222012311171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20962380241 + ... + 20962380346.

It is an arithmetic number, because the mean of its divisors is an integer number (565984267938).

Almost surely, 2^{2222012311111} is an apocalyptic number.

2222012311111 is a deficient number, since it is larger than the sum of its proper divisors (41924760641).

2222012311111 is an equidigital number, since it uses as much as digits as its factorization.

2222012311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41924760640.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2222012311111 its reverse (1111132102222), we get a palindrome (3333144413333).

The spelling of 2222012311111 in words is "two trillion, two hundred twenty-two billion, twelve million, three hundred eleven thousand, one hundred eleven".