2201221210101 has 8 divisors (see below), whose sum is σ = 2942280721344. Its totient is φ = 1463821252800.

The previous prime is 2201221210091. The next prime is 2201221210103. The reversal of 2201221210101 is 1010121221022.

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

It is not a de Polignac number, because 2201221210101 - 2⁷ = 2201221209973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201221210103) 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, 914887081 + ... + 914889486.

It is an arithmetic number, because the mean of its divisors is an integer number (367785090168).

Almost surely, 2^{2201221210101} is an apocalyptic number.

It is an amenable number.

2201221210101 is a deficient number, since it is larger than the sum of its proper divisors (741059511243).

2201221210101 is a wasteful number, since it uses less digits than its factorization.

2201221210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829776971.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201221210101 its reverse (1010121221022), we get a palindrome (3211342431123).

The spelling of 2201221210101 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two hundred ten thousand, one hundred one".