2221001332001 has 4 divisors (see below), whose sum is σ = 2221099028400. Its totient is φ = 2220903635604.

The previous prime is 2221001331979. The next prime is 2221001332057. The reversal of 2221001332001 is 1002331001222.

2221001332001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-2221001332001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221001632001) 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, 48814091 + ... + 48859568.

It is an arithmetic number, because the mean of its divisors is an integer number (555274757100).

Almost surely, 2^{2221001332001} is an apocalyptic number.

It is an amenable number.

2221001332001 is a deficient number, since it is larger than the sum of its proper divisors (97696399).

2221001332001 is an equidigital number, since it uses as much as digits as its factorization.

2221001332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97696398.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2221001332001 its reverse (1002331001222), we get a palindrome (3223332333223).

The spelling of 2221001332001 in words is "two trillion, two hundred twenty-one billion, one million, three hundred thirty-two thousand, one".