21022403011411 has 4 divisors (see below), whose sum is σ = 21062598811192. Its totient is φ = 20982207211632.

The previous prime is 21022403011409. The next prime is 21022403011417. The reversal of 21022403011411 is 11411030422012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21022403011411 - 2¹ = 21022403011409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21022403011417) 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 3 ways as a sum of consecutive naturals, for example, 20097899106 + ... + 20097900151.

It is an arithmetic number, because the mean of its divisors is an integer number (5265649702798).

Almost surely, 2^{21022403011411} is an apocalyptic number.

21022403011411 is a deficient number, since it is larger than the sum of its proper divisors (40195799781).

21022403011411 is an equidigital number, since it uses as much as digits as its factorization.

21022403011411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40195799780.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21022403011411 its reverse (11411030422012), we get a palindrome (32433433433423).

The spelling of 21022403011411 in words is "twenty-one trillion, twenty-two billion, four hundred three million, eleven thousand, four hundred eleven".