12210100002021 has 16 divisors (see below), whose sum is σ = 16399839973248. Its totient is φ = 8080219680000.

The previous prime is 12210100001951. The next prime is 12210100002049. The reversal of 12210100002021 is 12020000101221.

It is not a de Polignac number, because 12210100002021 - 2³⁹ = 11660344188133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210100001988 and 12210100002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210100002091) 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 15 ways as a sum of consecutive naturals, for example, 7027656 + ... + 8591166.

It is an arithmetic number, because the mean of its divisors is an integer number (1024989998328).

Almost surely, 2^{12210100002021} is an apocalyptic number.

It is an amenable number.

12210100002021 is a deficient number, since it is larger than the sum of its proper divisors (4189739971227).

12210100002021 is a wasteful number, since it uses less digits than its factorization.

12210100002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582652.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210100002021 its reverse (12020000101221), we get a palindrome (24230100103242).

The spelling of 12210100002021 in words is "twelve trillion, two hundred ten billion, one hundred million, two thousand, twenty-one".