2122120140505 has 16 divisors (see below), whose sum is σ = 2547777643200. Its totient is φ = 1696874018112.

The previous prime is 2122120140479. The next prime is 2122120140527. The reversal of 2122120140505 is 5050410212212.

It is a cyclic number.

It is not a de Polignac number, because 2122120140505 - 2³⁵ = 2087760402137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122120140505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122664346 + ... + 122681644.

It is an arithmetic number, because the mean of its divisors is an integer number (159236102700).

Almost surely, 2^{2122120140505} is an apocalyptic number.

It is an amenable number.

2122120140505 is a deficient number, since it is larger than the sum of its proper divisors (425657502695).

2122120140505 is a wasteful number, since it uses less digits than its factorization.

2122120140505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27768.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 2122120140505 its reverse (5050410212212), we get a palindrome (7172530352717).

The spelling of 2122120140505 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, one hundred forty thousand, five hundred five".