12220020000221 has 32 divisors (see below), whose sum is σ = 13484208291840. Its totient is φ = 10982034604800.

The previous prime is 12220020000211. The next prime is 12220020000263. The reversal of 12220020000221 is 12200002002221.

It is a cyclic number.

It is not a de Polignac number, because 12220020000221 - 2¹⁰ = 12220019999197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12220020000196 and 12220020000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220020000211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2092824620 + ... + 2092830458.

It is an arithmetic number, because the mean of its divisors is an integer number (421381509120).

Almost surely, 2^{12220020000221} is an apocalyptic number.

12220020000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12220020000221 is a deficient number, since it is larger than the sum of its proper divisors (1264188291619).

12220020000221 is a wasteful number, since it uses less digits than its factorization.

12220020000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12220020000221 its reverse (12200002002221), we get a palindrome (24420022002442).

The spelling of 12220020000221 in words is "twelve trillion, two hundred twenty billion, twenty million, two hundred twenty-one", and thus it is an aban number.