22140021111 has 64 divisors (see below), whose sum is σ = 35536435200. Its totient is φ = 12112644096.

The previous prime is 22140021109. The next prime is 22140021139. The reversal of 22140021111 is 11112004122.

It is not a de Polignac number, because 22140021111 - 2¹ = 22140021109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140021311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4620705 + ... + 4625493.

It is an arithmetic number, because the mean of its divisors is an integer number (555256800).

Almost surely, 2^22140021111 is an apocalyptic number.

22140021111 is a deficient number, since it is larger than the sum of its proper divisors (13396414089).

22140021111 is a wasteful number, since it uses less digits than its factorization.

22140021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208.

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

Adding to 22140021111 its reverse (11112004122), we get a palindrome (33252025233).

The spelling of 22140021111 in words is "twenty-two billion, one hundred forty million, twenty-one thousand, one hundred eleven".