21244221130311 has 12 divisors (see below), whose sum is σ = 30889316376880. Its totient is φ = 14069020615200.

The previous prime is 21244221130217. The next prime is 21244221130331. The reversal of 21244221130311 is 11303112244212.

21244221130311 is a `hidden beast` number, since 2 + 1 + 2 + 442 + 211 + 3 + 0 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 21244221130311 - 2¹⁹ = 21244220606023 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 (21244221130331) 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, 7816121206 + ... + 7816123923.

Almost surely, 2^{21244221130311} is an apocalyptic number.

21244221130311 is a deficient number, since it is larger than the sum of its proper divisors (9645095246569).

21244221130311 is a wasteful number, since it uses less digits than its factorization.

21244221130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15632245286 (or 15632245283 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21244221130311 its reverse (11303112244212), we get a palindrome (32547333374523).

The spelling of 21244221130311 in words is "twenty-one trillion, two hundred forty-four billion, two hundred twenty-one million, one hundred thirty thousand, three hundred eleven".