21041003010 has 32 divisors (see below), whose sum is σ = 50800804992. Its totient is φ = 5577334400.

The previous prime is 21041002987. The next prime is 21041003057. The reversal of 21041003010 is 1030014012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094891 + ... + 2104910.

It is an arithmetic number, because the mean of its divisors is an integer number (1587525156).

Almost surely, 2^21041003010 is an apocalyptic number.

21041003010 is an abundant number, since it is smaller than the sum of its proper divisors (29759801982).

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

21041003010 is a wasteful number, since it uses less digits than its factorization.

21041003010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199978.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21041003010 its reverse (1030014012), we get a palindrome (22071017022).

The spelling of 21041003010 in words is "twenty-one billion, forty-one million, three thousand, ten".