21313330333011 has 24 divisors (see below), whose sum is σ = 30971060920800. Its totient is φ = 14123442324096.

The previous prime is 21313330332977. The next prime is 21313330333081. The reversal of 21313330333011 is 11033303331312.

21313330333011 is a `hidden beast` number, since 2 + 1 + 3 + 13 + 3 + 303 + 330 + 11 = 666.

It is not a de Polignac number, because 21313330333011 - 2¹⁴ = 21313330316627 is a prime.

It is a super-2 number, since 2×21313330333011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21313330333081) 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, 66797991 + ... + 67116303.

It is an arithmetic number, because the mean of its divisors is an integer number (1290460871700).

Almost surely, 2^{21313330333011} is an apocalyptic number.

21313330333011 is a deficient number, since it is larger than the sum of its proper divisors (9657730587789).

21313330333011 is a wasteful number, since it uses less digits than its factorization.

21313330333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363035 (or 363032 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 21313330333011 its reverse (11033303331312), we get a palindrome (32346633664323).

The spelling of 21313330333011 in words is "twenty-one trillion, three hundred thirteen billion, three hundred thirty million, three hundred thirty-three thousand, eleven".