22124021011 has 8 divisors (see below), whose sum is σ = 23090858784. Its totient is φ = 21157593600.

The previous prime is 22124020999. The next prime is 22124021047. The reversal of 22124021011 is 11012042122.

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

It is a cyclic number.

It is not a de Polignac number, because 22124021011 - 2⁵ = 22124020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22124021071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10245 + ... + 210601.

It is an arithmetic number, because the mean of its divisors is an integer number (2886357348).

Almost surely, 2^22124021011 is an apocalyptic number.

22124021011 is a deficient number, since it is larger than the sum of its proper divisors (966837773).

22124021011 is a wasteful number, since it uses less digits than its factorization.

22124021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205181.

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

Adding to 22124021011 its reverse (11012042122), we get a palindrome (33136063133).

The spelling of 22124021011 in words is "twenty-two billion, one hundred twenty-four million, twenty-one thousand, eleven".