21014304133 has 16 divisors (see below), whose sum is σ = 22910428800. Its totient is φ = 19198831680.

The previous prime is 21014304119. The next prime is 21014304161. The reversal of 21014304133 is 33140341012.

It is a cyclic number.

It is not a de Polignac number, because 21014304133 - 2²⁵ = 20980749701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014704133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447648 + ... + 492358.

It is an arithmetic number, because the mean of its divisors is an integer number (1431901800).

Almost surely, 2^21014304133 is an apocalyptic number.

It is an amenable number.

21014304133 is a deficient number, since it is larger than the sum of its proper divisors (1896124667).

21014304133 is a wasteful number, since it uses less digits than its factorization.

21014304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45612.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21014304133 its reverse (33140341012), we get a palindrome (54154645145).

The spelling of 21014304133 in words is "twenty-one billion, fourteen million, three hundred four thousand, one hundred thirty-three".