2201022210001 has 4 divisors (see below), whose sum is σ = 2201369984100. Its totient is φ = 2200674435904.

The previous prime is 2201022209993. The next prime is 2201022210097. The reversal of 2201022210001 is 1000122201022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1970022780625 + 230999429376 = 1403575^2 + 480624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201022210001 - 2³ = 2201022209993 is a prime.

It is a super-3 number, since 3×2201022210001³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201022210901) 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, 173877556 + ... + 173890213.

It is an arithmetic number, because the mean of its divisors is an integer number (550342496025).

Almost surely, 2^{2201022210001} is an apocalyptic number.

It is an amenable number.

2201022210001 is a deficient number, since it is larger than the sum of its proper divisors (347774099).

2201022210001 is an equidigital number, since it uses as much as digits as its factorization.

2201022210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347774098.

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

Adding to 2201022210001 its reverse (1000122201022), we get a palindrome (3201144411023).

The spelling of 2201022210001 in words is "two trillion, two hundred one billion, twenty-two million, two hundred ten thousand, one".