2201101221001 has 16 divisors (see below), whose sum is σ = 2362857060096. Its totient is φ = 2045621388096.

The previous prime is 2201101220933. The next prime is 2201101221013. The reversal of 2201101221001 is 1001221011022.

It is not a de Polignac number, because 2201101221001 - 2²⁷ = 2200967003273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201101221061) 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, 8639790 + ... + 8890903.

It is an arithmetic number, because the mean of its divisors is an integer number (147678566256).

Almost surely, 2^{2201101221001} is an apocalyptic number.

It is an amenable number.

2201101221001 is a deficient number, since it is larger than the sum of its proper divisors (161755839095).

2201101221001 is a wasteful number, since it uses less digits than its factorization.

2201101221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17530872.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201101221001 its reverse (1001221011022), we get a palindrome (3202322232023).

The spelling of 2201101221001 in words is "two trillion, two hundred one billion, one hundred one million, two hundred twenty-one thousand, one".