22122201111 has 8 divisors (see below), whose sum is σ = 29510532720. Its totient is φ = 14741001792.

The previous prime is 22122201107. The next prime is 22122201119. The reversal of 22122201111 is 11110222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22122201111 - 2² = 22122201107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122201119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775830 + ... + 1788243.

It is an arithmetic number, because the mean of its divisors is an integer number (3688816590).

Almost surely, 2^22122201111 is an apocalyptic number.

22122201111 is a deficient number, since it is larger than the sum of its proper divisors (7388331609).

22122201111 is a wasteful number, since it uses less digits than its factorization.

22122201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566145.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122201111 its reverse (11110222122), we get a palindrome (33232423233).

The spelling of 22122201111 in words is "twenty-two billion, one hundred twenty-two million, two hundred one thousand, one hundred eleven".