10221001120221 has 16 divisors (see below), whose sum is σ = 14429781816768. Its totient is φ = 6413117984000.

The previous prime is 10221001120199. The next prime is 10221001120249. The reversal of 10221001120221 is 12202110012201.

It is a cyclic number.

It is not a de Polignac number, because 10221001120221 - 2⁶ = 10221001120157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221001120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221001120261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5027071 + ... + 6761171.

It is an arithmetic number, because the mean of its divisors is an integer number (901861363548).

Almost surely, 2^{10221001120221} is an apocalyptic number.

It is an amenable number.

10221001120221 is a deficient number, since it is larger than the sum of its proper divisors (4208780696547).

10221001120221 is a wasteful number, since it uses less digits than its factorization.

10221001120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849692.

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

Adding to 10221001120221 its reverse (12202110012201), we get a palindrome (22423111132422).

The spelling of 10221001120221 in words is "ten trillion, two hundred twenty-one billion, one million, one hundred twenty thousand, two hundred twenty-one".