21101203299 has 8 divisors (see below), whose sum is σ = 30692659392. Its totient is φ = 12788608040.

The previous prime is 21101203297. The next prime is 21101203307. The reversal of 21101203299 is 99230210112.

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 21101203299 - 2¹ = 21101203297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21101203297) 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, 319715169 + ... + 319715234.

It is an arithmetic number, because the mean of its divisors is an integer number (3836582424).

Almost surely, 2^21101203299 is an apocalyptic number.

21101203299 is a deficient number, since it is larger than the sum of its proper divisors (9591456093).

21101203299 is a wasteful number, since it uses less digits than its factorization.

21101203299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639430417.

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 21101203299 in words is "twenty-one billion, one hundred one million, two hundred three thousand, two hundred ninety-nine".