21201013333403 has 8 divisors (see below), whose sum is σ = 21413415165600. Its totient is φ = 20988660340800.

The previous prime is 21201013333393. The next prime is 21201013333411. The reversal of 21201013333403 is 30433331010212.

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

It is a cyclic number.

It is not a de Polignac number, because 21201013333403 - 2²⁸ = 21200744897947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21201013333433) 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, 11337050 + ... + 13074047.

It is an arithmetic number, because the mean of its divisors is an integer number (2676676895700).

Almost surely, 2^{21201013333403} is an apocalyptic number.

21201013333403 is a deficient number, since it is larger than the sum of its proper divisors (212401832197).

21201013333403 is a wasteful number, since it uses less digits than its factorization.

21201013333403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24419797.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21201013333403 its reverse (30433331010212), we get a palindrome (51634344343615).

The spelling of 21201013333403 in words is "twenty-one trillion, two hundred one billion, thirteen million, three hundred thirty-three thousand, four hundred three".