212201022110 has 64 divisors (see below), whose sum is σ = 485197392384. Its totient is φ = 64892630400.

The previous prime is 212201022053. The next prime is 212201022133. The reversal of 212201022110 is 11220102212.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 31 ways as a sum of consecutive naturals, for example, 2559056 + ... + 2640675.

It is an arithmetic number, because the mean of its divisors is an integer number (7581209256).

Almost surely, 2^212201022110 is an apocalyptic number.

212201022110 is an abundant number, since it is smaller than the sum of its proper divisors (272996370274).

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

212201022110 is a wasteful number, since it uses less digits than its factorization.

212201022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199809.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212201022110 its reverse (11220102212), we get a palindrome (223421124322).

It can be divided in two parts, 21220102 and 2110, that added together give a palindrome (21222212).

The spelling of 212201022110 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, one hundred ten".