2201010022221 has 8 divisors (see below), whose sum is σ = 2935225429344. Its totient is φ = 1467067314960.

The previous prime is 2201010022163. The next prime is 2201010022297. The reversal of 2201010022221 is 1222200101022.

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

It is not a de Polignac number, because 2201010022221 - 2⁹ = 2201010021709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201010022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201010022121) 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, 68156131 + ... + 68188416.

It is an arithmetic number, because the mean of its divisors is an integer number (366903178668).

Almost surely, 2^{2201010022221} is an apocalyptic number.

It is an amenable number.

2201010022221 is a deficient number, since it is larger than the sum of its proper divisors (734215407123).

2201010022221 is a wasteful number, since it uses less digits than its factorization.

2201010022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136349931.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201010022221 its reverse (1222200101022), we get a palindrome (3423210123243).

The spelling of 2201010022221 in words is "two trillion, two hundred one billion, ten million, twenty-two thousand, two hundred twenty-one".