2112222111011 has 16 divisors (see below), whose sum is σ = 2209948732416. Its totient is φ = 2014990883136.

The previous prime is 2112222110989. The next prime is 2112222111019. The reversal of 2112222111011 is 1101112222112.

It is a cyclic number.

It is not a de Polignac number, because 2112222111011 - 2¹⁴ = 2112222094627 is a prime.

It is a super-2 number, since 2×2112222111011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112222111019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21173696 + ... + 21273218.

It is an arithmetic number, because the mean of its divisors is an integer number (138121795776).

Almost surely, 2^{2112222111011} is an apocalyptic number.

2112222111011 is a deficient number, since it is larger than the sum of its proper divisors (97726621405).

2112222111011 is a wasteful number, since it uses less digits than its factorization.

2112222111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102002.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112222111011 its reverse (1101112222112), we get a palindrome (3213334333123).

The spelling of 2112222111011 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, eleven".