221001022200001 has 16 divisors (see below), whose sum is σ = 226997391582720. Its totient is φ = 215087832432000.

The previous prime is 221001022199939. The next prime is 221001022200043. The reversal of 221001022200001 is 100002220100122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221001022200001 - 2¹⁹ = 221001021675713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221001022200061) 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, 6896625 + ... + 22126126.

It is an arithmetic number, because the mean of its divisors is an integer number (14187336973920).

Almost surely, 2^{221001022200001} is an apocalyptic number.

It is an amenable number.

221001022200001 is a deficient number, since it is larger than the sum of its proper divisors (5996369382719).

221001022200001 is a wasteful number, since it uses less digits than its factorization.

221001022200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29024184.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221001022200001 its reverse (100002220100122), we get a palindrome (321003242300123).

The spelling of 221001022200001 in words is "two hundred twenty-one trillion, one billion, twenty-two million, two hundred thousand, one".