2221001332201 has 4 divisors (see below), whose sum is σ = 2221013602192. Its totient is φ = 2220989062212.

The previous prime is 2221001332177. The next prime is 2221001332217. The reversal of 2221001332201 is 1022331001222.

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 not a de Polignac number, because 2221001332201 - 2¹⁷ = 2221001201129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221001330201) 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, 5859351 + ... + 6226876.

It is an arithmetic number, because the mean of its divisors is an integer number (555253400548).

Almost surely, 2^{2221001332201} is an apocalyptic number.

It is an amenable number.

2221001332201 is a deficient number, since it is larger than the sum of its proper divisors (12269991).

2221001332201 is a wasteful number, since it uses less digits than its factorization.

2221001332201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269990.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2221001332201 its reverse (1022331001222), we get a palindrome (3243332333423).

The spelling of 2221001332201 in words is "two trillion, two hundred twenty-one billion, one million, three hundred thirty-two thousand, two hundred one".