2110001220221 has 8 divisors (see below), whose sum is σ = 2179370841600. Its totient is φ = 2040713165520.

The previous prime is 2110001220211. The next prime is 2110001220227. The reversal of 2110001220221 is 1220221000112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2110001220221 - 2¹⁰ = 2110001219197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2110001220196 and 2110001220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110001220227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20339081 + ... + 20442558.

It is an arithmetic number, because the mean of its divisors is an integer number (272421355200).

Almost surely, 2^{2110001220221} is an apocalyptic number.

It is an amenable number.

2110001220221 is a deficient number, since it is larger than the sum of its proper divisors (69369621379).

2110001220221 is a wasteful number, since it uses less digits than its factorization.

2110001220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40783339.

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

Adding to 2110001220221 its reverse (1220221000112), we get a palindrome (3330222220333).

The spelling of 2110001220221 in words is "two trillion, one hundred ten billion, one million, two hundred twenty thousand, two hundred twenty-one".