2201002000221 has 4 divisors (see below), whose sum is σ = 2934669333632. Its totient is φ = 1467334666812.

The previous prime is 2201002000199. The next prime is 2201002000229. The reversal of 2201002000221 is 1220002001022.

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 not a de Polignac number, because 2201002000221 - 2¹⁴ = 2201001983837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201002000197 and 2201002000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201002000229) 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, 366833666701 + ... + 366833666706.

It is an arithmetic number, because the mean of its divisors is an integer number (733667333408).

Almost surely, 2^{2201002000221} is an apocalyptic number.

It is an amenable number.

2201002000221 is a deficient number, since it is larger than the sum of its proper divisors (733667333411).

2201002000221 is an equidigital number, since it uses as much as digits as its factorization.

2201002000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733667333410.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2201002000221 its reverse (1220002001022), we get a palindrome (3421004001243).

The spelling of 2201002000221 in words is "two trillion, two hundred one billion, two million, two hundred twenty-one", and thus it is an aban number.