2112222120111 has 32 divisors (see below), whose sum is σ = 3315727756800. Its totient is φ = 1325200305600.

The previous prime is 2112222120101. The next prime is 2112222120181. The reversal of 2112222120111 is 1110212222112.

2112222120111 is a `hidden beast` number, since 211 + 2 + 222 + 120 + 111 = 666.

It is not a de Polignac number, because 2112222120111 - 2¹³ = 2112222111919 is a prime.

It is a super-2 number, since 2×2112222120111² (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 (2112222120101) 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, 13556286 + ... + 13711211.

It is an arithmetic number, because the mean of its divisors is an integer number (103616492400).

Almost surely, 2^{2112222120111} is an apocalyptic number.

2112222120111 is a deficient number, since it is larger than the sum of its proper divisors (1203505636689).

2112222120111 is a wasteful number, since it uses less digits than its factorization.

2112222120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27267676 (or 27267670 counting only the distinct ones).

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

Adding to 2112222120111 its reverse (1110212222112), we get a palindrome (3222434342223).

The spelling of 2112222120111 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty thousand, one hundred eleven".