2200201020221 has 4 divisors (see below), whose sum is σ = 2201594436000. Its totient is φ = 2198807604444.

The previous prime is 2200201020211. The next prime is 2200201020233. The reversal of 2200201020221 is 1220201020022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200201020221 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 = 2200201020196 and 2200201020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200201020211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696705521 + ... + 696708678.

It is an arithmetic number, because the mean of its divisors is an integer number (550398609000).

Almost surely, 2^{2200201020221} is an apocalyptic number.

It is an amenable number.

2200201020221 is a deficient number, since it is larger than the sum of its proper divisors (1393415779).

2200201020221 is a wasteful number, since it uses less digits than its factorization.

2200201020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393415778.

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

Adding to 2200201020221 its reverse (1220201020022), we get a palindrome (3420402040243).

The spelling of 2200201020221 in words is "two trillion, two hundred billion, two hundred one million, twenty thousand, two hundred twenty-one".