21141313133 has 16 divisors (see below), whose sum is σ = 21918646272. Its totient is φ = 20370150000.

The previous prime is 21141313111. The next prime is 21141313159. The reversal of 21141313133 is 33131314112.

It is a cyclic number.

It is not a de Polignac number, because 21141313133 - 2¹² = 21141309037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21141313099 and 21141313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141313733) 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, 8915438 + ... + 8917808.

It is an arithmetic number, because the mean of its divisors is an integer number (1369915392).

Almost surely, 2^21141313133 is an apocalyptic number.

It is an amenable number.

21141313133 is a deficient number, since it is larger than the sum of its proper divisors (777333139).

21141313133 is a wasteful number, since it uses less digits than its factorization.

21141313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536.

The product of its digits is 648, while the sum is 23.

Adding to 21141313133 its reverse (33131314112), we get a palindrome (54272627245).

The spelling of 21141313133 in words is "twenty-one billion, one hundred forty-one million, three hundred thirteen thousand, one hundred thirty-three".