21302013411 has 24 divisors (see below), whose sum is σ = 35192352000. Its totient is φ = 12163190256.

The previous prime is 21302013401. The next prime is 21302013427. The reversal of 21302013411 is 11431020312.

21302013411 is a `hidden beast` number, since 21 + 30 + 201 + 3 + 411 = 666.

It is not a de Polignac number, because 21302013411 - 2¹¹ = 21302011363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21302013401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47661 + ... + 211838.

It is an arithmetic number, because the mean of its divisors is an integer number (1466348000).

Almost surely, 2^21302013411 is an apocalyptic number.

21302013411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21302013411 is a deficient number, since it is larger than the sum of its proper divisors (13890338589).

21302013411 is a wasteful number, since it uses less digits than its factorization.

21302013411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260815 (or 260812 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21302013411 its reverse (11431020312), we get a palindrome (32733033723).

The spelling of 21302013411 in words is "twenty-one billion, three hundred two million, thirteen thousand, four hundred eleven".