22112221000111 has 24 divisors (see below), whose sum is σ = 26050911600384. Its totient is φ = 18601133801040.

The previous prime is 22112221000033. The next prime is 22112221000141. The reversal of 22112221000111 is 11100012221122.

It is not a de Polignac number, because 22112221000111 - 2⁷ = 22112220999983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112221000141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64578391 + ... + 64919896.

It is an arithmetic number, because the mean of its divisors is an integer number (1085454650016).

Almost surely, 2^{22112221000111} is an apocalyptic number.

22112221000111 is a deficient number, since it is larger than the sum of its proper divisors (3938690600273).

22112221000111 is a wasteful number, since it uses less digits than its factorization.

22112221000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129498379 (or 129498360 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112221000111 its reverse (11100012221122), we get a palindrome (33212233221233).

The spelling of 22112221000111 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven", and thus it is an aban number.