2222112111111 has 48 divisors (see below), whose sum is σ = 3258824063040. Its totient is φ = 1458921600000.

The previous prime is 2222112111097. The next prime is 2222112111143. The reversal of 2222112111111 is 1111112112222.

It is a happy number.

2222112111111 is a `hidden beast` number, since 222 + 211 + 211 + 11 + 11 = 666.

It is not a de Polignac number, because 2222112111111 - 2³⁰ = 2221038369287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222112111151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130850241 + ... + 130867221.

It is an arithmetic number, because the mean of its divisors is an integer number (67892167980).

Almost surely, 2^{2222112111111} is an apocalyptic number.

2222112111111 is a deficient number, since it is larger than the sum of its proper divisors (1036711951929).

2222112111111 is a wasteful number, since it uses less digits than its factorization.

2222112111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17848 (or 17845 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

Adding to 2222112111111 its reverse (1111112112222), we get a palindrome (3333224223333).

It can be divided in two parts, 2222112111 and 111, that added together give a palindrome (2222112222).

The spelling of 2222112111111 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, one hundred eleven".