22210222112111 has 4 divisors (see below), whose sum is σ = 24229333213224. Its totient is φ = 20191111011000.

The previous prime is 22210222112053. The next prime is 22210222112171. The reversal of 22210222112111 is 11121122201222.

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 22210222112111 - 2²² = 22210217917807 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 (22210222112171) 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, 1009555550540 + ... + 1009555550561.

It is an arithmetic number, because the mean of its divisors is an integer number (6057333303306).

Almost surely, 2^{22210222112111} is an apocalyptic number.

22210222112111 is a deficient number, since it is larger than the sum of its proper divisors (2019111101113).

22210222112111 is a wasteful number, since it uses less digits than its factorization.

22210222112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019111101112.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22210222112111 its reverse (11121122201222), we get a palindrome (33331344313333).

The spelling of 22210222112111 in words is "twenty-two trillion, two hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eleven".