10221220220201 has 8 divisors (see below), whose sum is σ = 10223276952000. Its totient is φ = 10219163668272.

The previous prime is 10221220220149. The next prime is 10221220220209. The reversal of 10221220220201 is 10202202212201.

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 10221220220201 - 2⁶ = 10221220220137 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 10221220220201.

It is not an unprimeable number, because it can be changed into a prime (10221220220209) 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, 179294300 + ... + 179351298.

It is an arithmetic number, because the mean of its divisors is an integer number (1277909619000).

Almost surely, 2^{10221220220201} is an apocalyptic number.

It is an amenable number.

10221220220201 is a deficient number, since it is larger than the sum of its proper divisors (2056731799).

10221220220201 is an equidigital number, since it uses as much as digits as its factorization.

10221220220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89935.

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

Adding to 10221220220201 its reverse (10202202212201), we get a palindrome (20423422432402).

The spelling of 10221220220201 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, two hundred one".