21303000101203 has 8 divisors (see below), whose sum is σ = 21513526246368. Its totient is φ = 21092545127424.

The previous prime is 21303000101183. The next prime is 21303000101213. The reversal of 21303000101203 is 30210100030312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21303000101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21303000101213) 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, 17191150 + ... + 18388627.

It is an arithmetic number, because the mean of its divisors is an integer number (2689190780796).

Almost surely, 2^{21303000101203} is an apocalyptic number.

21303000101203 is a deficient number, since it is larger than the sum of its proper divisors (210526145165).

21303000101203 is a wasteful number, since it uses less digits than its factorization.

21303000101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35585693.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21303000101203 its reverse (30210100030312), we get a palindrome (51513100131515).

The spelling of 21303000101203 in words is "twenty-one trillion, three hundred three billion, one hundred one thousand, two hundred three".