21220200023203 has 2 divisors, whose sum is σ = 21220200023204. Its totient is φ = 21220200023202.

The previous prime is 21220200023201. The next prime is 21220200023227. The reversal of 21220200023203 is 30232000202212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21220200023203 - 2¹ = 21220200023201 is a prime.

Together with 21220200023201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (21220200023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10610100011601 + 10610100011602.

It is an arithmetic number, because the mean of its divisors is an integer number (10610100011602).

Almost surely, 2^{21220200023203} is an apocalyptic number.

21220200023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

21220200023203 is an equidigital number, since it uses as much as digits as its factorization.

21220200023203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21220200023203 its reverse (30232000202212), we get a palindrome (51452200225415).

The spelling of 21220200023203 in words is "twenty-one trillion, two hundred twenty billion, two hundred million, twenty-three thousand, two hundred three".