21113130010 has 32 divisors (see below), whose sum is σ = 44833784832. Its totient is φ = 7005277440.

The previous prime is 21113129971. The next prime is 21113130019. The reversal of 21113130010 is 1003131112.

It is not an unprimeable number, because it can be changed into a prime (21113130019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4862607 + ... + 4866946.

It is an arithmetic number, because the mean of its divisors is an integer number (1401055776).

Almost surely, 2^21113130010 is an apocalyptic number.

21113130010 is an abundant number, since it is smaller than the sum of its proper divisors (23720654822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113130010 is a wasteful number, since it uses less digits than its factorization.

21113130010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729598.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21113130010 its reverse (1003131112), we get a palindrome (22116261122).

The spelling of 21113130010 in words is "twenty-one billion, one hundred thirteen million, one hundred thirty thousand, ten".