9921102330203 has 24 divisors (see below), whose sum is σ = 10493256745728. Its totient is φ = 9378755065008.

The previous prime is 9921102330179. The next prime is 9921102330233. The reversal of 9921102330203 is 3020332011299.

It is a happy number.

It is not a de Polignac number, because 9921102330203 - 2¹⁰ = 9921102329179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9921102330233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349480376 + ... + 349508762.

It is an arithmetic number, because the mean of its divisors is an integer number (437219031072).

Almost surely, 2^{9921102330203} is an apocalyptic number.

9921102330203 is a deficient number, since it is larger than the sum of its proper divisors (572154415525).

9921102330203 is a wasteful number, since it uses less digits than its factorization.

9921102330203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30471 (or 30452 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 9921102330203 in words is "nine trillion, nine hundred twenty-one billion, one hundred two million, three hundred thirty thousand, two hundred three".