22222112101 has 16 divisors (see below), whose sum is σ = 26515427328. Its totient is φ = 18209386800.

The previous prime is 22222112089. The next prime is 22222112119. The reversal of 22222112101 is 10121122222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22222112101 - 2⁷ = 22222111973 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 (22222112501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264346 + ... + 338116.

It is an arithmetic number, because the mean of its divisors is an integer number (1657214208).

Almost surely, 2^22222112101 is an apocalyptic number.

It is an amenable number.

22222112101 is a deficient number, since it is larger than the sum of its proper divisors (4293315227).

22222112101 is a wasteful number, since it uses less digits than its factorization.

22222112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75672.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22222112101 its reverse (10121122222), we get a palindrome (32343234323).

The spelling of 22222112101 in words is "twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred one".