212020222110 has 64 divisors (see below), whose sum is σ = 510082209792. Its totient is φ = 56401807616.

The previous prime is 212020222091. The next prime is 212020222123. The reversal of 212020222110 is 11222020212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212020222110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27520519 + ... + 27528221.

It is an arithmetic number, because the mean of its divisors is an integer number (7970034528).

Almost surely, 2^212020222110 is an apocalyptic number.

212020222110 is an abundant number, since it is smaller than the sum of its proper divisors (298061987682).

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

212020222110 is a wasteful number, since it uses less digits than its factorization.

212020222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212020222110 its reverse (11222020212), we get a palindrome (223242242322).

The spelling of 212020222110 in words is "two hundred twelve billion, twenty million, two hundred twenty-two thousand, one hundred ten".