21014001003441 has 8 divisors (see below), whose sum is σ = 28922496004864. Its totient is φ = 13557420002160.

The previous prime is 21014001003427. The next prime is 21014001003467. The reversal of 21014001003441 is 14430010041012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21014001003441 - 2⁷ = 21014001003313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21014001003421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112978499926 + ... + 112978500111.

It is an arithmetic number, because the mean of its divisors is an integer number (3615312000608).

Almost surely, 2^{21014001003441} is an apocalyptic number.

It is an amenable number.

21014001003441 is a deficient number, since it is larger than the sum of its proper divisors (7908495001423).

21014001003441 is a wasteful number, since it uses less digits than its factorization.

21014001003441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225957000071.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21014001003441 its reverse (14430010041012), we get a palindrome (35444011044453).

The spelling of 21014001003441 in words is "twenty-one trillion, fourteen billion, one million, three thousand, four hundred forty-one".