2221030020401 has 4 divisors (see below), whose sum is σ = 2227430683632. Its totient is φ = 2214629357172.

The previous prime is 2221030020389. The next prime is 2221030020437. The reversal of 2221030020401 is 1040200301222.

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-2221030020401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221030020401.

It is not an unprimeable number, because it can be changed into a prime (2221030020901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200331095 + ... + 3200331788.

It is an arithmetic number, because the mean of its divisors is an integer number (556857670908).

Almost surely, 2^{2221030020401} is an apocalyptic number.

It is an amenable number.

2221030020401 is a deficient number, since it is larger than the sum of its proper divisors (6400663231).

2221030020401 is an equidigital number, since it uses as much as digits as its factorization.

2221030020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400663230.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2221030020401 its reverse (1040200301222), we get a palindrome (3261230321623).

The spelling of 2221030020401 in words is "two trillion, two hundred twenty-one billion, thirty million, twenty thousand, four hundred one".