2200001022221 has 8 divisors (see below), whose sum is σ = 2237376232800. Its totient is φ = 2162628713680.

The previous prime is 2200001022203. The next prime is 2200001022259. The reversal of 2200001022221 is 1222201000022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200001022221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200001022196 and 2200001022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200001022421) 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, 831695 + ... + 2256483.

It is an arithmetic number, because the mean of its divisors is an integer number (279672029100).

Almost surely, 2^{2200001022221} is an apocalyptic number.

It is an amenable number.

2200001022221 is a deficient number, since it is larger than the sum of its proper divisors (37375210579).

2200001022221 is a wasteful number, since it uses less digits than its factorization.

2200001022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451019.

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

Adding to 2200001022221 its reverse (1222201000022), we get a palindrome (3422202022243).

The spelling of 2200001022221 in words is "two trillion, two hundred billion, one million, twenty-two thousand, two hundred twenty-one".