212102100110 has 8 divisors (see below), whose sum is σ = 381783780216. Its totient is φ = 84840840040.

The previous prime is 212102100061. The next prime is 212102100139. The reversal of 212102100110 is 11001201212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212102100091 and 212102100100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605104996 + ... + 10605105015.

It is an arithmetic number, because the mean of its divisors is an integer number (47722972527).

Almost surely, 2^212102100110 is an apocalyptic number.

212102100110 is a deficient number, since it is larger than the sum of its proper divisors (169681680106).

212102100110 is a wasteful number, since it uses less digits than its factorization.

212102100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210210018.

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

Adding to 212102100110 its reverse (11001201212), we get a palindrome (223103301322).

The spelling of 212102100110 in words is "two hundred twelve billion, one hundred two million, one hundred thousand, one hundred ten".