21010332010 has 16 divisors (see below), whose sum is σ = 37835992800. Its totient is φ = 8400267216.

The previous prime is 21010331983. The next prime is 21010332023. The reversal of 21010332010 is 1023301012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460320 + ... + 503899.

It is an arithmetic number, because the mean of its divisors is an integer number (2364749550).

Almost surely, 2^21010332010 is an apocalyptic number.

21010332010 is a deficient number, since it is larger than the sum of its proper divisors (16825660790).

21010332010 is a wasteful number, since it uses less digits than its factorization.

21010332010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966405.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21010332010 its reverse (1023301012), we get a palindrome (22033633022).

The spelling of 21010332010 in words is "twenty-one billion, ten million, three hundred thirty-two thousand, ten".