21101130030303 has 12 divisors (see below), whose sum is σ = 32272316517168. Its totient is φ = 13239924724800.

The previous prime is 21101130030293. The next prime is 21101130030313. The reversal of 21101130030303 is 30303003110112.

It is a happy number.

21101130030303 is a `hidden beast` number, since 21 + 1 + 0 + 11 + 300 + 30 + 303 = 666.

It is an interprime number because it is at equal distance from previous prime (21101130030293) and next prime (21101130030313).

It is not a de Polignac number, because 21101130030303 - 2⁴ = 21101130030287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101130030313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68957941123 + ... + 68957941428.

It is an arithmetic number, because the mean of its divisors is an integer number (2689359709764).

Almost surely, 2^{21101130030303} is an apocalyptic number.

21101130030303 is a deficient number, since it is larger than the sum of its proper divisors (11171186486865).

21101130030303 is a wasteful number, since it uses less digits than its factorization.

21101130030303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137915882574 (or 137915882571 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 21101130030303 its reverse (30303003110112), we get a palindrome (51404133140415).

The spelling of 21101130030303 in words is "twenty-one trillion, one hundred one billion, one hundred thirty million, thirty thousand, three hundred three".