12020001102221 has 16 divisors (see below), whose sum is σ = 14476907520000. Its totient is φ = 9749292221808.

The previous prime is 12020001102191. The next prime is 12020001102227. The reversal of 12020001102221 is 12220110002021.

It is a cyclic number.

It is not a de Polignac number, because 12020001102221 - 2¹⁴ = 12020001085837 is a prime.

It is a super-2 number, since 2×12020001102221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020001102196 and 12020001102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020001102227) 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, 52246721 + ... + 52476278.

It is an arithmetic number, because the mean of its divisors is an integer number (904806720000).

Almost surely, 2^{12020001102221} is an apocalyptic number.

It is an amenable number.

12020001102221 is a deficient number, since it is larger than the sum of its proper divisors (2456906417779).

12020001102221 is a wasteful number, since it uses less digits than its factorization.

12020001102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104723888.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020001102221 its reverse (12220110002021), we get a palindrome (24240111104242).

The spelling of 12020001102221 in words is "twelve trillion, twenty billion, one million, one hundred two thousand, two hundred twenty-one".