2201022211021 has 8 divisors (see below), whose sum is σ = 2252313276224. Its totient is φ = 2149735896000.

The previous prime is 2201022210917. The next prime is 2201022211027. The reversal of 2201022211021 is 1201122201022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201022211021 - 2¹⁹ = 2201021686733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201022210986 and 2201022211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022211027) 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 7 ways as a sum of consecutive naturals, for example, 241356 + ... + 2111941.

It is an arithmetic number, because the mean of its divisors is an integer number (281539159528).

Almost surely, 2^{2201022211021} is an apocalyptic number.

It is an amenable number.

2201022211021 is a deficient number, since it is larger than the sum of its proper divisors (51291065203).

2201022211021 is a wasteful number, since it uses less digits than its factorization.

2201022211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375091.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201022211021 its reverse (1201122201022), we get a palindrome (3402144412043).

Subtracting from 2201022211021 its reverse (1201122201022), we obtain a palindrome (999900009999).

The spelling of 2201022211021 in words is "two trillion, two hundred one billion, twenty-two million, two hundred eleven thousand, twenty-one".