212202110 has 8 divisors (see below), whose sum is σ = 381963816. Its totient is φ = 84880840.

The previous prime is 212202091. The next prime is 212202139. The reversal of 212202110 is 11202212.

It is a happy number.

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 = 212202091 and 212202100.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10610096 + ... + 10610115.

It is an arithmetic number, because the mean of its divisors is an integer number (47745477).

Almost surely, 2^212202110 is an apocalyptic number.

212202110 is a deficient number, since it is larger than the sum of its proper divisors (169761706).

212202110 is a wasteful number, since it uses less digits than its factorization.

212202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21220218.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212202110 is about 14567.1586110676. The cubic root of 212202110 is about 596.4626210872.

Adding to 212202110 its reverse (11202212), we get a palindrome (223404322).

The spelling of 212202110 in words is "two hundred twelve million, two hundred two thousand, one hundred ten".