2112211110111 has 32 divisors (see below), whose sum is σ = 2967259806720. Its totient is φ = 1333853478144.

The previous prime is 2112211110011. The next prime is 2112211110133. The reversal of 2112211110111 is 1110111122112.

It is not a de Polignac number, because 2112211110111 - 2²² = 2112206915807 is a prime.

It is a super-2 number, since 2×2112211110111² (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 (2112211110011) 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, 14314270 + ... + 14461076.

It is an arithmetic number, because the mean of its divisors is an integer number (92726868960).

Almost surely, 2^{2112211110111} is an apocalyptic number.

2112211110111 is a deficient number, since it is larger than the sum of its proper divisors (855048696609).

2112211110111 is a wasteful number, since it uses less digits than its factorization.

2112211110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148855.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 2112211110111 its reverse (1110111122112), we get a palindrome (3222322232223).

The spelling of 2112211110111 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred ten thousand, one hundred eleven".