21302100231233 has 8 divisors (see below), whose sum is σ = 21352423262976. Its totient is φ = 21251795796000.

The previous prime is 21302100231163. The next prime is 21302100231239. The reversal of 21302100231233 is 33213200120312.

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 21302100231233 - 2⁸ = 21302100230977 is a prime.

It is a super-2 number, since 2×21302100231233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21302100231199 and 21302100231208.

It is not an unprimeable number, because it can be changed into a prime (21302100231239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354108 + ... + 6938733.

It is an arithmetic number, because the mean of its divisors is an integer number (2669052907872).

Almost surely, 2^{21302100231233} is an apocalyptic number.

It is an amenable number.

21302100231233 is a deficient number, since it is larger than the sum of its proper divisors (50323031743).

21302100231233 is an equidigital number, since it uses as much as digits as its factorization.

21302100231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298255.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21302100231233 its reverse (33213200120312), we get a palindrome (54515300351545).

The spelling of 21302100231233 in words is "twenty-one trillion, three hundred two billion, one hundred million, two hundred thirty-one thousand, two hundred thirty-three".