21334331241 has 12 divisors (see below), whose sum is σ = 32438164720. Its totient is φ = 13474314360.

The previous prime is 21334331233. The next prime is 21334331257. The reversal of 21334331241 is 14213343312.

It is a happy number.

21334331241 is a `hidden beast` number, since 2 + 1 + 3 + 343 + 312 + 4 + 1 = 666.

It is not a de Polignac number, because 21334331241 - 2³ = 21334331233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21334331201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62380915 + ... + 62381256.

Almost surely, 2^21334331241 is an apocalyptic number.

It is an amenable number.

21334331241 is a deficient number, since it is larger than the sum of its proper divisors (11103833479).

21334331241 is a wasteful number, since it uses less digits than its factorization.

21334331241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124762196 (or 124762193 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 21334331241 its reverse (14213343312), we get a palindrome (35547674553).

The spelling of 21334331241 in words is "twenty-one billion, three hundred thirty-four million, three hundred thirty-one thousand, two hundred forty-one".