2201102021221 has 8 divisors (see below), whose sum is σ = 2238482786400. Its totient is φ = 2163723721200.

The previous prime is 2201102021197. The next prime is 2201102021227. The reversal of 2201102021221 is 1221202011022.

It is a happy number.

2201102021221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2201102021221 - 2⁹ = 2201102020709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201102021195 and 2201102021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201102021227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231275 + ... + 2432743.

It is an arithmetic number, because the mean of its divisors is an integer number (279810348300).

Almost surely, 2^{2201102021221} is an apocalyptic number.

It is an amenable number.

2201102021221 is a deficient number, since it is larger than the sum of its proper divisors (37380765179).

2201102021221 is a wasteful number, since it uses less digits than its factorization.

2201102021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232579.

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

Adding to 2201102021221 its reverse (1221202011022), we get a palindrome (3422304032243).

The spelling of 2201102021221 in words is "two trillion, two hundred one billion, one hundred two million, twenty-one thousand, two hundred twenty-one".