21433302103 has 2 divisors, whose sum is σ = 21433302104. Its totient is φ = 21433302102.

The previous prime is 21433302073. The next prime is 21433302139. The reversal of 21433302103 is 30120333412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21433302103 - 2¹³ = 21433293911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21433302173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10716651051 + 10716651052.

It is an arithmetic number, because the mean of its divisors is an integer number (10716651052).

Almost surely, 2^21433302103 is an apocalyptic number.

21433302103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21433302103 is an equidigital number, since it uses as much as digits as its factorization.

21433302103 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 21433302103 its reverse (30120333412), we get a palindrome (51553635515).

The spelling of 21433302103 in words is "twenty-one billion, four hundred thirty-three million, three hundred two thousand, one hundred three".