2201113313221 has 4 divisors (see below), whose sum is σ = 2222906514444. Its totient is φ = 2179320112000.

The previous prime is 2201113313183. The next prime is 2201113313303. The reversal of 2201113313221 is 1223133111022.

2201113313221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1608105508321 + 593007804900 = 1268111^2 + 770070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201113313221 - 2¹⁹ = 2201112788933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201113313192 and 2201113313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201113313521) 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, 10896600460 + ... + 10896600661.

It is an arithmetic number, because the mean of its divisors is an integer number (555726628611).

Almost surely, 2^{2201113313221} is an apocalyptic number.

It is an amenable number.

2201113313221 is a deficient number, since it is larger than the sum of its proper divisors (21793201223).

2201113313221 is a wasteful number, since it uses less digits than its factorization.

2201113313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793201222.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2201113313221 its reverse (1223133111022), we get a palindrome (3424246424243).

The spelling of 2201113313221 in words is "two trillion, two hundred one billion, one hundred thirteen million, three hundred thirteen thousand, two hundred twenty-one".