21301111133323 has 8 divisors (see below), whose sum is σ = 24344156212992. Its totient is φ = 18258073354536.

The previous prime is 21301111133299. The next prime is 21301111133333. The reversal of 21301111133323 is 32333111110312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21301111133323 - 2¹⁷ = 21301111002251 is a prime.

It is a super-2 number, since 2×21301111133323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21301111133333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7836186 + ... + 10198432.

It is an arithmetic number, because the mean of its divisors is an integer number (3043019526624).

Almost surely, 2^{21301111133323} is an apocalyptic number.

21301111133323 is a deficient number, since it is larger than the sum of its proper divisors (3043045079669).

21301111133323 is a wasteful number, since it uses less digits than its factorization.

21301111133323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650441.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 21301111133323 its reverse (32333111110312), we get a palindrome (53634222243635).

The spelling of 21301111133323 in words is "twenty-one trillion, three hundred one billion, one hundred eleven million, one hundred thirty-three thousand, three hundred twenty-three".