12211221002110 has 32 divisors (see below), whose sum is σ = 24221470220640. Its totient is φ = 4403903672448.

The previous prime is 12211221002093. The next prime is 12211221002111. The reversal of 12211221002110 is 1120012211221.

It is a super-2 number, since 2×12211221002110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211221002111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092232425 + ... + 1092243604.

It is an arithmetic number, because the mean of its divisors is an integer number (756920944395).

Almost surely, 2^{12211221002110} is an apocalyptic number.

12211221002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211221002110 is a deficient number, since it is larger than the sum of its proper divisors (12010249218530).

12211221002110 is a wasteful number, since it uses less digits than its factorization.

12211221002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184476092.

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

Adding to 12211221002110 its reverse (1120012211221), we get a palindrome (13331233213331).

The spelling of 12211221002110 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, two thousand, one hundred ten".