2222221122111 has 32 divisors (see below), whose sum is σ = 3121345244160. Its totient is φ = 1403538200064.

The previous prime is 2222221122083. The next prime is 2222221122127. The reversal of 2222221122111 is 1112211222222.

It is not a de Polignac number, because 2222221122111 - 2⁶ = 2222221122047 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222221122161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11042190 + ... + 11241636.

It is an arithmetic number, because the mean of its divisors is an integer number (97542038880).

Almost surely, 2^{2222221122111} is an apocalyptic number.

2222221122111 is a deficient number, since it is larger than the sum of its proper divisors (899124122049).

2222221122111 is a wasteful number, since it uses less digits than its factorization.

2222221122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201015.

The product of its digits is 256, while the sum is 21.

Adding to 2222221122111 its reverse (1112211222222), we get a palindrome (3334432344333).

The spelling of 2222221122111 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".