212022110 has 8 divisors (see below), whose sum is σ = 381639816. Its totient is φ = 84808840.

The previous prime is 212022091. The next prime is 212022143. The reversal of 212022110 is 11220212.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212022091 and 212022100.

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, 10601096 + ... + 10601115.

It is an arithmetic number, because the mean of its divisors is an integer number (47704977).

Almost surely, 2^212022110 is an apocalyptic number.

212022110 is a deficient number, since it is larger than the sum of its proper divisors (169617706).

212022110 is a wasteful number, since it uses less digits than its factorization.

212022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202218.

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

The square root of 212022110 is about 14560.9790192830. The cubic root of 212022110 is about 596.2939239852.

Adding to 212022110 its reverse (11220212), we get a palindrome (223242322).

The spelling of 212022110 in words is "two hundred twelve million, twenty-two thousand, one hundred ten".