22120144511 has 8 divisors (see below), whose sum is σ = 22261218960. Its totient is φ = 21979222272.

The previous prime is 22120144493. The next prime is 22120144513. The reversal of 22120144511 is 11544102122.

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 22120144511 - 2⁶ = 22120144447 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 (22120144513) 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, 260975 + ... + 335183.

It is an arithmetic number, because the mean of its divisors is an integer number (2782652370).

Almost surely, 2^22120144511 is an apocalyptic number.

22120144511 is a deficient number, since it is larger than the sum of its proper divisors (141074449).

22120144511 is a wasteful number, since it uses less digits than its factorization.

22120144511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76105.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 22120144511 its reverse (11544102122), we get a palindrome (33664246633).

The spelling of 22120144511 in words is "twenty-two billion, one hundred twenty million, one hundred forty-four thousand, five hundred eleven".