22031122125505 has 8 divisors (see below), whose sum is σ = 26455925158272. Its totient is φ = 17612511961968.

The previous prime is 22031122125503. The next prime is 22031122125517. The reversal of 22031122125505 is 50552122113022.

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 22031122125505 - 2¹ = 22031122125503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031122125503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548209479 + ... + 1548223708.

It is an arithmetic number, because the mean of its divisors is an integer number (3306990644784).

Almost surely, 2^{22031122125505} is an apocalyptic number.

It is an amenable number.

22031122125505 is a deficient number, since it is larger than the sum of its proper divisors (4424803032767).

22031122125505 is a wasteful number, since it uses less digits than its factorization.

22031122125505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096434615.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 22031122125505 its reverse (50552122113022), we get a palindrome (72583244238527).

The spelling of 22031122125505 in words is "twenty-two trillion, thirty-one billion, one hundred twenty-two million, one hundred twenty-five thousand, five hundred five".