212110100210 has 16 divisors (see below), whose sum is σ = 398398101696. Its totient is φ = 81155168688.

The previous prime is 212110100171. The next prime is 212110100219. The reversal of 212110100210 is 12001011212.

It is a super-2 number, since 2×212110100210² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212110100191 and 212110100200.

It is not an unprimeable number, because it can be changed into a prime (212110100219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461108684 + ... + 461109143.

It is an arithmetic number, because the mean of its divisors is an integer number (24899881356).

Almost surely, 2^212110100210 is an apocalyptic number.

212110100210 is a deficient number, since it is larger than the sum of its proper divisors (186288001486).

212110100210 is a wasteful number, since it uses less digits than its factorization.

212110100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922217857.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212110100210 its reverse (12001011212), we get a palindrome (224111111422).

The spelling of 212110100210 in words is "two hundred twelve billion, one hundred ten million, one hundred thousand, two hundred ten".