12021221102110 has 64 divisors (see below), whose sum is σ = 24661058731200. Its totient is φ = 4178828416000.

The previous prime is 12021221102083. The next prime is 12021221102113. The reversal of 12021221102110 is 1120112212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021221102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18333295 + ... + 18977674.

It is an arithmetic number, because the mean of its divisors is an integer number (385329042675).

Almost surely, 2^{12021221102110} is an apocalyptic number.

12021221102110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021221102110 is an abundant number, since it is smaller than the sum of its proper divisors (12639837629090).

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

12021221102110 is a wasteful number, since it uses less digits than its factorization.

12021221102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37311117.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021221102110 its reverse (1120112212021), we get a palindrome (13141333314131).

The spelling of 12021221102110 in words is "twelve trillion, twenty-one billion, two hundred twenty-one million, one hundred two thousand, one hundred ten".