21233102203 has 2 divisors, whose sum is σ = 21233102204. Its totient is φ = 21233102202.

The previous prime is 21233102197. The next prime is 21233102213. The reversal of 21233102203 is 30220133212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21233102203 - 2¹⁷ = 21232971131 is a prime.

It is not a weakly prime, because it can be changed into another prime (21233102213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616551101 + 10616551102.

It is an arithmetic number, because the mean of its divisors is an integer number (10616551102).

Almost surely, 2^21233102203 is an apocalyptic number.

21233102203 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233102203 is an equidigital number, since it uses as much as digits as its factorization.

21233102203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21233102203 its reverse (30220133212), we get a palindrome (51453235415).

The spelling of 21233102203 in words is "twenty-one billion, two hundred thirty-three million, one hundred two thousand, two hundred three".