21333200101223 has 2 divisors, whose sum is σ = 21333200101224. Its totient is φ = 21333200101222.

The previous prime is 21333200101211. The next prime is 21333200101237. The reversal of 21333200101223 is 32210100233312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21333200101223 - 2¹⁶ = 21333200035687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21333200101723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666600050611 + 10666600050612.

It is an arithmetic number, because the mean of its divisors is an integer number (10666600050612).

Almost surely, 2^{21333200101223} is an apocalyptic number.

21333200101223 is a deficient number, since it is larger than the sum of its proper divisors (1).

21333200101223 is an equidigital number, since it uses as much as digits as its factorization.

21333200101223 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 23.

Adding to 21333200101223 its reverse (32210100233312), we get a palindrome (53543300334535).

The spelling of 21333200101223 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred million, one hundred one thousand, two hundred twenty-three".