22541145121 has 16 divisors (see below), whose sum is σ = 27407194560. Its totient is φ = 18271457280.

The previous prime is 22541145089. The next prime is 22541145149. The reversal of 22541145121 is 12154114522.

It is a cyclic number.

It is not a de Polignac number, because 22541145121 - 2⁵ = 22541145089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22541145121.

It is not an unprimeable number, because it can be changed into a prime (22541145191) 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 15 ways as a sum of consecutive naturals, for example, 3168576 + ... + 3175681.

It is an arithmetic number, because the mean of its divisors is an integer number (1712949660).

Almost surely, 2^22541145121 is an apocalyptic number.

It is an amenable number.

22541145121 is a deficient number, since it is larger than the sum of its proper divisors (4866049439).

22541145121 is a wasteful number, since it uses less digits than its factorization.

22541145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344304.

The product of its digits is 3200, while the sum is 28.

Adding to 22541145121 its reverse (12154114522), we get a palindrome (34695259643).

The spelling of 22541145121 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-five thousand, one hundred twenty-one".