12210021110 has 64 divisors (see below), whose sum is σ = 26573184000. Its totient is φ = 3945946752.

The previous prime is 12210021073. The next prime is 12210021151. The reversal of 12210021110 is 1112001221.

It is a junction number, because it is equal to n+sod(n) for n = 12210021091 and 12210021100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241604 + ... + 287736.

It is an arithmetic number, because the mean of its divisors is an integer number (415206000).

Almost surely, 2^12210021110 is an apocalyptic number.

12210021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210021110 is an abundant number, since it is smaller than the sum of its proper divisors (14363162890).

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

12210021110 is a wasteful number, since it uses less digits than its factorization.

12210021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46365.

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

Adding to 12210021110 its reverse (1112001221), we get a palindrome (13322022331).

The spelling of 12210021110 in words is "twelve billion, two hundred ten million, twenty-one thousand, one hundred ten".