21441101424404 has 12 divisors (see below), whose sum is σ = 37530100456128. Its totient is φ = 10718215579800.

The previous prime is 21441101424401. The next prime is 21441101424433. The reversal of 21441101424404 is 40442410114412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441101424401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583762442 + ... + 583799169.

It is an arithmetic number, because the mean of its divisors is an integer number (3127508371344).

Almost surely, 2^{21441101424404} is an apocalyptic number.

It is an amenable number.

21441101424404 is a deficient number, since it is larger than the sum of its proper divisors (16088999031724).

21441101424404 is a wasteful number, since it uses less digits than its factorization.

21441101424404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167566206 (or 1167566204 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 21441101424404 its reverse (40442410114412), we get a palindrome (61883511538816).

The spelling of 21441101424404 in words is "twenty-one trillion, four hundred forty-one billion, one hundred one million, four hundred twenty-four thousand, four hundred four".