21001333200223 has 2 divisors, whose sum is σ = 21001333200224. Its totient is φ = 21001333200222.

The previous prime is 21001333200217. The next prime is 21001333200227. The reversal of 21001333200223 is 32200233310012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21001333200223 - 2¹³ = 21001333192031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21001333200194 and 21001333200203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21001333200227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500666600111 + 10500666600112.

It is an arithmetic number, because the mean of its divisors is an integer number (10500666600112).

Almost surely, 2^{21001333200223} is an apocalyptic number.

21001333200223 is a deficient number, since it is larger than the sum of its proper divisors (1).

21001333200223 is an equidigital number, since it uses as much as digits as its factorization.

21001333200223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21001333200223 its reverse (32200233310012), we get a palindrome (53201566510235).

The spelling of 21001333200223 in words is "twenty-one trillion, one billion, three hundred thirty-three million, two hundred thousand, two hundred twenty-three".