21200213003323 has 2 divisors, whose sum is σ = 21200213003324. Its totient is φ = 21200213003322.

The previous prime is 21200213003231. The next prime is 21200213003341. The reversal of 21200213003323 is 32330031200212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21200213003323 - 2¹³ = 21200212995131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21200213003294 and 21200213003303.

It is not a weakly prime, because it can be changed into another prime (21200213003393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600106501661 + 10600106501662.

It is an arithmetic number, because the mean of its divisors is an integer number (10600106501662).

Almost surely, 2^{21200213003323} is an apocalyptic number.

21200213003323 is a deficient number, since it is larger than the sum of its proper divisors (1).

21200213003323 is an equidigital number, since it uses as much as digits as its factorization.

21200213003323 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 21200213003323 its reverse (32330031200212), we get a palindrome (53530244203535).

The spelling of 21200213003323 in words is "twenty-one trillion, two hundred billion, two hundred thirteen million, three thousand, three hundred twenty-three".