21113003230 has 24 divisors (see below), whose sum is σ = 41772341016. Its totient is φ = 7677455280.

The previous prime is 21113003221. The next prime is 21113003237. The reversal of 21113003230 is 3230031112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113003237) 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, 8723172 + ... + 8725591.

It is an arithmetic number, because the mean of its divisors is an integer number (1740514209).

Almost surely, 2^21113003230 is an apocalyptic number.

21113003230 is a deficient number, since it is larger than the sum of its proper divisors (20659337786).

21113003230 is a wasteful number, since it uses less digits than its factorization.

21113003230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448792 (or 17448781 counting only the distinct ones).

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

Adding to 21113003230 its reverse (3230031112), we get a palindrome (24343034342).

The spelling of 21113003230 in words is "twenty-one billion, one hundred thirteen million, three thousand, two hundred thirty".