2112222102111 has 24 divisors (see below), whose sum is σ = 3336293600640. Its totient is φ = 1277079368400.

The previous prime is 2112222102101. The next prime is 2112222102119. The reversal of 2112222102111 is 1112012222112.

2112222102111 is a `hidden beast` number, since 21 + 1 + 222 + 210 + 211 + 1 = 666.

It is not a de Polignac number, because 2112222102111 - 2⁶ = 2112222102047 is a prime.

It is a super-2 number, since 2×2112222102111² (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 (2112222102119) 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, 25418635 + ... + 25501596.

It is an arithmetic number, because the mean of its divisors is an integer number (139012233360).

Almost surely, 2^{2112222102111} is an apocalyptic number.

2112222102111 is a deficient number, since it is larger than the sum of its proper divisors (1224071498529).

2112222102111 is a wasteful number, since it uses less digits than its factorization.

2112222102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50920667 (or 50920664 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2112222102111 its reverse (1112012222112), we get a palindrome (3224234324223).

The spelling of 2112222102111 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred two thousand, one hundred eleven".