10222001022221 has 8 divisors (see below), whose sum is σ = 10267253157600. Its totient is φ = 10176754231440.

The previous prime is 10222001022179. The next prime is 10222001022251. The reversal of 10222001022221 is 12222010022201.

It is a happy number.

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 10222001022221 - 2⁶ = 10222001022157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10222001022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222001022251) 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, 2522090 + ... + 5177348.

It is an arithmetic number, because the mean of its divisors is an integer number (1283406644700).

Almost surely, 2^{10222001022221} is an apocalyptic number.

It is an amenable number.

10222001022221 is a deficient number, since it is larger than the sum of its proper divisors (45252135379).

10222001022221 is a wasteful number, since it uses less digits than its factorization.

10222001022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672299.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10222001022221 its reverse (12222010022201), we get a palindrome (22444011044422).

The spelling of 10222001022221 in words is "ten trillion, two hundred twenty-two billion, one million, twenty-two thousand, two hundred twenty-one".