2200012211221 has 48 divisors (see below), whose sum is σ = 2588287310784. Its totient is φ = 1861928640000.

The previous prime is 2200012211203. The next prime is 2200012211237. The reversal of 2200012211221 is 1221122100022.

It is a happy number.

It is not a de Polignac number, because 2200012211221 - 2²³ = 2200003822613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200012211195 and 2200012211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200012211521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243278926 + ... + 243287968.

It is an arithmetic number, because the mean of its divisors is an integer number (53922652308).

Almost surely, 2^{2200012211221} is an apocalyptic number.

It is an amenable number.

2200012211221 is a deficient number, since it is larger than the sum of its proper divisors (388275099563).

2200012211221 is a wasteful number, since it uses less digits than its factorization.

2200012211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10354 (or 10343 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2200012211221 its reverse (1221122100022), we get a palindrome (3421134311243).

It can be divided in two parts, 22000 and 12211221, that added together give a palindrome (12233221).

The spelling of 2200012211221 in words is "two trillion, two hundred billion, twelve million, two hundred eleven thousand, two hundred twenty-one".