2222120022111 has 24 divisors (see below), whose sum is σ = 3503008411344. Its totient is φ = 1346167887360.

The previous prime is 2222120022103. The next prime is 2222120022149. The reversal of 2222120022111 is 1112200212222.

It is a happy number.

2222120022111 is a `hidden beast` number, since 22 + 221 + 200 + 221 + 1 + 1 = 666.

It is not a de Polignac number, because 2222120022111 - 2³ = 2222120022103 is a prime.

It is a super-2 number, since 2×2222120022111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222120022911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4528146 + ... + 4994831.

It is an arithmetic number, because the mean of its divisors is an integer number (145958683806).

Almost surely, 2^{2222120022111} is an apocalyptic number.

2222120022111 is a deficient number, since it is larger than the sum of its proper divisors (1280888389233).

2222120022111 is a wasteful number, since it uses less digits than its factorization.

2222120022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525351 (or 9525348 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222120022111 its reverse (1112200212222), we get a palindrome (3334320234333).

The spelling of 2222120022111 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two thousand, one hundred eleven".