22002112111111 has 4 divisors (see below), whose sum is σ = 24002304121224. Its totient is φ = 20001920101000.

The previous prime is 22002112111087. The next prime is 22002112111151. The reversal of 22002112111111 is 11111121120022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22002112111111 - 2¹⁵ = 22002112078343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002112111151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000096005040 + ... + 1000096005061.

It is an arithmetic number, because the mean of its divisors is an integer number (6000576030306).

Almost surely, 2^{22002112111111} is an apocalyptic number.

22002112111111 is a deficient number, since it is larger than the sum of its proper divisors (2000192010113).

22002112111111 is a wasteful number, since it uses less digits than its factorization.

22002112111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000192010112.

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

Adding to 22002112111111 its reverse (11111121120022), we get a palindrome (33113233231133).

The spelling of 22002112111111 in words is "twenty-two trillion, two billion, one hundred twelve million, one hundred eleven thousand, one hundred eleven".