210021010010 has 32 divisors (see below), whose sum is σ = 432337139712. Its totient is φ = 71958216960.

The previous prime is 210021009941. The next prime is 210021010033. The reversal of 210021010010 is 10010120012.

It is a self number, because there is not a number n which added to its sum of digits gives 210021010010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916847 + ... + 1122786.

It is an arithmetic number, because the mean of its divisors is an integer number (13510535616).

Almost surely, 2^210021010010 is an apocalyptic number.

210021010010 is an abundant number, since it is smaller than the sum of its proper divisors (222316129702).

210021010010 is a wasteful number, since it uses less digits than its factorization.

210021010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041118.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 210021010010 its reverse (10010120012), we get a palindrome (220031130022).

The spelling of 210021010010 in words is "two hundred ten billion, twenty-one million, ten thousand, ten".