22021013125441 has 32 divisors (see below), whose sum is σ = 25118229427200. Its totient is φ = 19123758720000.

The previous prime is 22021013125429. The next prime is 22021013125457. The reversal of 22021013125441 is 14452131012022.

It is a happy number.

It is not a de Polignac number, because 22021013125441 - 2²⁹ = 22020476254529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021013120441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17636095 + ... + 18843403.

It is an arithmetic number, because the mean of its divisors is an integer number (784944669600).

Almost surely, 2^{22021013125441} is an apocalyptic number.

It is an amenable number.

22021013125441 is a deficient number, since it is larger than the sum of its proper divisors (3097216301759).

22021013125441 is a wasteful number, since it uses less digits than its factorization.

22021013125441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208041.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 22021013125441 its reverse (14452131012022), we get a palindrome (36473144137463).

The spelling of 22021013125441 in words is "twenty-two trillion, twenty-one billion, thirteen million, one hundred twenty-five thousand, four hundred forty-one".