21232210100333 has 2 divisors, whose sum is σ = 21232210100334. Its totient is φ = 21232210100332.

The previous prime is 21232210100293. The next prime is 21232210100341. The reversal of 21232210100333 is 33300101223212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21229037820004 + 3172280329 = 4607498^2 + 56323^2 .

It is a cyclic number.

It is not a de Polignac number, because 21232210100333 - 2⁸ = 21232210100077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21232210100299 and 21232210100308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232210100393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616105050166 + 10616105050167.

It is an arithmetic number, because the mean of its divisors is an integer number (10616105050167).

Almost surely, 2^{21232210100333} is an apocalyptic number.

It is an amenable number.

21232210100333 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232210100333 is an equidigital number, since it uses as much as digits as its factorization.

21232210100333 is an odious number, because the sum of its binary digits is odd.

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

Adding to 21232210100333 its reverse (33300101223212), we get a palindrome (54532311323545).

The spelling of 21232210100333 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred ten million, one hundred thousand, three hundred thirty-three".