220001322211001 has 16 divisors (see below), whose sum is σ = 222642765945600. Its totient is φ = 217377314312400.

The previous prime is 220001322210983. The next prime is 220001322211003. The reversal of 220001322211001 is 100112223100022.

It is a cyclic number.

It is not a de Polignac number, because 220001322211001 - 2³⁸ = 219726444304057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001322211003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22084010 + ... + 30458268.

It is an arithmetic number, because the mean of its divisors is an integer number (13915172871600).

Almost surely, 2^{220001322211001} is an apocalyptic number.

It is an amenable number.

220001322211001 is a deficient number, since it is larger than the sum of its proper divisors (2641443734599).

220001322211001 is a wasteful number, since it uses less digits than its factorization.

220001322211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375300.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220001322211001 its reverse (100112223100022), we get a palindrome (320113545311023).

The spelling of 220001322211001 in words is "two hundred twenty trillion, one billion, three hundred twenty-two million, two hundred eleven thousand, one".