212120100110 has 8 divisors (see below), whose sum is σ = 381816180216. Its totient is φ = 84848040040.

The previous prime is 212120100103. The next prime is 212120100149. The reversal of 212120100110 is 11001021212.

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 = 212120100091 and 212120100100.

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, 10606004996 + ... + 10606005015.

It is an arithmetic number, because the mean of its divisors is an integer number (47727022527).

Almost surely, 2^212120100110 is an apocalyptic number.

212120100110 is a deficient number, since it is larger than the sum of its proper divisors (169696080106).

212120100110 is a wasteful number, since it uses less digits than its factorization.

212120100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212010018.

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

Adding to 212120100110 its reverse (11001021212), we get a palindrome (223121121322).

The spelling of 212120100110 in words is "two hundred twelve billion, one hundred twenty million, one hundred thousand, one hundred ten".