211020100210 has 16 divisors (see below), whose sum is σ = 379843992000. Its totient is φ = 84406304176.

The previous prime is 211020100199. The next prime is 211020100219. The reversal of 211020100210 is 12001020112.

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 (211020100219) by changing a digit.

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, 368901 + ... + 747079.

It is an arithmetic number, because the mean of its divisors is an integer number (23740249500).

Almost surely, 2^211020100210 is an apocalyptic number.

211020100210 is a deficient number, since it is larger than the sum of its proper divisors (168823891790).

211020100210 is a wasteful number, since it uses less digits than its factorization.

211020100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433985.

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

Adding to 211020100210 its reverse (12001020112), we get a palindrome (223021120322).

The spelling of 211020100210 in words is "two hundred eleven billion, twenty million, one hundred thousand, two hundred ten".