10212100110 has 80 divisors (see below), whose sum is σ = 27806961600. Its totient is φ = 2688738624.

The previous prime is 10212100079. The next prime is 10212100117. The reversal of 10212100110 is 1100121201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10212100092 and 10212100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212100117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15805 + ... + 143784.

It is an arithmetic number, because the mean of its divisors is an integer number (347587020).

Almost surely, 2^10212100110 is an apocalyptic number.

10212100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13903480800).

10212100110 is an abundant number, since it is smaller than the sum of its proper divisors (17594861490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212100110 is a wasteful number, since it uses less digits than its factorization.

10212100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159687 (or 159678 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10212100110 its reverse (1100121201), we get a palindrome (11312221311).

The spelling of 10212100110 in words is "ten billion, two hundred twelve million, one hundred thousand, one hundred ten".