21433103103 has 8 divisors (see below), whose sum is σ = 28578907008. Its totient is φ = 14288017304.

The previous prime is 21433103101. The next prime is 21433103117. The reversal of 21433103103 is 30130133412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21433103103 - 2¹ = 21433103101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21433103103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433103101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105525 + ... + 232382.

It is an arithmetic number, because the mean of its divisors is an integer number (3572363376).

Almost surely, 2^21433103103 is an apocalyptic number.

21433103103 is a deficient number, since it is larger than the sum of its proper divisors (7145803905).

21433103103 is a wasteful number, since it uses less digits than its factorization.

21433103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359053.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21433103103 its reverse (30130133412), we get a palindrome (51563236515).

The spelling of 21433103103 in words is "twenty-one billion, four hundred thirty-three million, one hundred three thousand, one hundred three".