21000310303010 has 32 divisors (see below), whose sum is σ = 38644340232960. Its totient is φ = 8212982954752.

The previous prime is 21000310303001. The next prime is 21000310303013. The reversal of 21000310303010 is 1030301300012.

It is not an unprimeable number, because it can be changed into a prime (21000310303013) 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, 22407500 + ... + 23325879.

It is an arithmetic number, because the mean of its divisors is an integer number (1207635632280).

Almost surely, 2^{21000310303010} is an apocalyptic number.

21000310303010 is a deficient number, since it is larger than the sum of its proper divisors (17644029929950).

21000310303010 is a wasteful number, since it uses less digits than its factorization.

21000310303010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45734410.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21000310303010 its reverse (1030301300012), we get a palindrome (22030611603022).

The spelling of 21000310303010 in words is "twenty-one trillion, three hundred ten million, three hundred three thousand, ten".