210102021010 has 32 divisors (see below), whose sum is σ = 432425941632. Its totient is φ = 71998967040.

The previous prime is 210102020959. The next prime is 210102021013. The reversal of 210102021010 is 10120201012.

210102021010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (210102021013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 609031 + ... + 889450.

It is an arithmetic number, because the mean of its divisors is an integer number (13513310676).

Almost surely, 2^210102021010 is an apocalyptic number.

210102021010 is an abundant number, since it is smaller than the sum of its proper divisors (222323920622).

210102021010 is a wasteful number, since it uses less digits than its factorization.

210102021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500498.

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

Adding to 210102021010 its reverse (10120201012), we get a palindrome (220222222022).

The spelling of 210102021010 in words is "two hundred ten billion, one hundred two million, twenty-one thousand, ten".