22121034144441 has 16 divisors (see below), whose sum is σ = 29936178552384. Its totient is φ = 14526641251584.

The previous prime is 22121034144439. The next prime is 22121034144457. The reversal of 22121034144441 is 14444143012122.

It is not a de Polignac number, because 22121034144441 - 2¹ = 22121034144439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22121034144401) by changing a digit.

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, 2571741 + ... + 7131333.

It is an arithmetic number, because the mean of its divisors is an integer number (1871011159524).

Almost surely, 2^{22121034144441} is an apocalyptic number.

It is an amenable number.

22121034144441 is a deficient number, since it is larger than the sum of its proper divisors (7815144407943).

22121034144441 is a wasteful number, since it uses less digits than its factorization.

22121034144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583800.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 22121034144441 its reverse (14444143012122), we get a palindrome (36565177156563).

The spelling of 22121034144441 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-four million, one hundred forty-four thousand, four hundred forty-one".