21333102103 has 8 divisors (see below), whose sum is σ = 22925125872. Its totient is φ = 19778537856.

The previous prime is 21333102053. The next prime is 21333102107. The reversal of 21333102103 is 30120133312.

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 21333102103 - 2²¹ = 21331004951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333102107) 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, 9363700 + ... + 9365977.

It is an arithmetic number, because the mean of its divisors is an integer number (2865640734).

Almost surely, 2^21333102103 is an apocalyptic number.

21333102103 is a deficient number, since it is larger than the sum of its proper divisors (1592023769).

21333102103 is a wasteful number, since it uses less digits than its factorization.

21333102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729761.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21333102103 its reverse (30120133312), we get a palindrome (51453235415).

The spelling of 21333102103 in words is "twenty-one billion, three hundred thirty-three million, one hundred two thousand, one hundred three".