21033103299 has 8 divisors (see below), whose sum is σ = 30201379152. Its totient is φ = 12943448160.

The previous prime is 21033103253. The next prime is 21033103321. The reversal of 21033103299 is 99230133012.

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

It is not a de Polignac number, because 21033103299 - 2¹³ = 21033095107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21033103249) 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, 269655132 + ... + 269655209.

It is an arithmetic number, because the mean of its divisors is an integer number (3775172394).

Almost surely, 2^21033103299 is an apocalyptic number.

21033103299 is a deficient number, since it is larger than the sum of its proper divisors (9168275853).

21033103299 is a wasteful number, since it uses less digits than its factorization.

21033103299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539310357.

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 21033103299 in words is "twenty-one billion, thirty-three million, one hundred three thousand, two hundred ninety-nine".