210021011002 has 16 divisors (see below), whose sum is σ = 343691957952. Its totient is φ = 95458203520.

The previous prime is 210021010981. The next prime is 210021011033. The reversal of 210021011002 is 200110120012.

210021011002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210021011002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80523 + ... + 653089.

It is an arithmetic number, because the mean of its divisors is an integer number (21480747372).

Almost surely, 2^210021011002 is an apocalyptic number.

210021011002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210021011002 is a deficient number, since it is larger than the sum of its proper divisors (133670946950).

210021011002 is a wasteful number, since it uses less digits than its factorization.

210021011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589253.

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

Adding to 210021011002 its reverse (200110120012), we get a palindrome (410131131014).

The spelling of 210021011002 in words is "two hundred ten billion, twenty-one million, eleven thousand, two".