21110210002 has 32 divisors (see below), whose sum is σ = 36500631552. Its totient is φ = 8969413824.

The previous prime is 21110209999. The next prime is 21110210021. The reversal of 21110210002 is 20001201112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006648 + ... + 3013660.

It is an arithmetic number, because the mean of its divisors is an integer number (1140644736).

Almost surely, 2^21110210002 is an apocalyptic number.

21110210002 is a deficient number, since it is larger than the sum of its proper divisors (15390421550).

21110210002 is a wasteful number, since it uses less digits than its factorization.

21110210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8842.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21110210002 its reverse (20001201112), we get a palindrome (41111411114).

The spelling of 21110210002 in words is "twenty-one billion, one hundred ten million, two hundred ten thousand, two".