2202101100221 has 4 divisors (see below), whose sum is σ = 2402292109344. Its totient is φ = 2001910091100.

The previous prime is 2202101100217. The next prime is 2202101100223. The reversal of 2202101100221 is 1220011012022.

2202101100221 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202101100221 - 2² = 2202101100217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202101100196 and 2202101100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202101100223) 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, 100095504545 + ... + 100095504566.

It is an arithmetic number, because the mean of its divisors is an integer number (600573027336).

Almost surely, 2^{2202101100221} is an apocalyptic number.

It is an amenable number.

2202101100221 is a deficient number, since it is larger than the sum of its proper divisors (200191009123).

2202101100221 is a wasteful number, since it uses less digits than its factorization.

2202101100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200191009122.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2202101100221 its reverse (1220011012022), we get a palindrome (3422112112243).

The spelling of 2202101100221 in words is "two trillion, two hundred two billion, one hundred one million, one hundred thousand, two hundred twenty-one".