21333222103103 has 4 divisors (see below), whose sum is σ = 21336107707968. Its totient is φ = 21330336498240.

The previous prime is 21333222103087. The next prime is 21333222103153. The reversal of 21333222103103 is 30130122233312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21333222103103 - 2⁴ = 21333222103087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333222103153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442791343 + ... + 1442806128.

It is an arithmetic number, because the mean of its divisors is an integer number (5334026926992).

Almost surely, 2^{21333222103103} is an apocalyptic number.

21333222103103 is a deficient number, since it is larger than the sum of its proper divisors (2885604865).

21333222103103 is an equidigital number, since it uses as much as digits as its factorization.

21333222103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885604864.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21333222103103 its reverse (30130122233312), we get a palindrome (51463344336415).

The spelling of 21333222103103 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred twenty-two million, one hundred three thousand, one hundred three".