211210212021010 has 16 divisors (see below), whose sum is σ = 380455277789016. Its totient is φ = 84422552330368.

The previous prime is 211210212020989. The next prime is 211210212021023. The reversal of 211210212021010 is 10120212012112.

It can be written as a sum of positive squares in 4 ways, for example, as 201467904335721 + 9742307685289 = 14193939^2 + 3121267^2 .

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 7 ways as a sum of consecutive naturals, for example, 7691545339 + ... + 7691572798.

Almost surely, 2^{211210212021010} is an apocalyptic number.

211210212021010 is a deficient number, since it is larger than the sum of its proper divisors (169245065768006).

211210212021010 is a wasteful number, since it uses less digits than its factorization.

211210212021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383119517.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211210212021010 its reverse (10120212012112), we get a palindrome (221330424033122).

The spelling of 211210212021010 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twelve million, twenty-one thousand, ten".