22131116143055 has 4 divisors (see below), whose sum is σ = 26557339371672. Its totient is φ = 17704892914440.

The previous prime is 22131116143049. The next prime is 22131116143079. The reversal of 22131116143055 is 55034161113122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22131116143055 - 2¹⁴ = 22131116126671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213111614301 + ... + 2213111614310.

It is an arithmetic number, because the mean of its divisors is an integer number (6639334842918).

Almost surely, 2^{22131116143055} is an apocalyptic number.

22131116143055 is a deficient number, since it is larger than the sum of its proper divisors (4426223228617).

22131116143055 is an equidigital number, since it uses as much as digits as its factorization.

22131116143055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426223228616.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 22131116143055 its reverse (55034161113122), we get a palindrome (77165277256177).

The spelling of 22131116143055 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred sixteen million, one hundred forty-three thousand, fifty-five".