2221110112111 has 8 divisors (see below), whose sum is σ = 2423040277248. Its totient is φ = 2019181791000.

The previous prime is 2221110112007. The next prime is 2221110112139. The reversal of 2221110112111 is 1112110111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2221110112111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221110116111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3656356 + ... + 4220326.

It is an arithmetic number, because the mean of its divisors is an integer number (302880034656).

Almost surely, 2^{2221110112111} is an apocalyptic number.

2221110112111 is a deficient number, since it is larger than the sum of its proper divisors (201930165137).

2221110112111 is a wasteful number, since it uses less digits than its factorization.

2221110112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922013.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 2221110112111 its reverse (1112110111222), we get a palindrome (3333220223333).

The spelling of 2221110112111 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred eleven".