10221022201 has 16 divisors (see below), whose sum is σ = 11203064208. Its totient is φ = 9267379200.

The previous prime is 10221022193. The next prime is 10221022237. The reversal of 10221022201 is 10222012201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6687314176 + 3533708025 = 81776^2 + 59445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221022201 - 2³ = 10221022193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221022501) 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, 595005 + ... + 611941.

It is an arithmetic number, because the mean of its divisors is an integer number (700191513).

Almost surely, 2^10221022201 is an apocalyptic number.

It is an amenable number.

10221022201 is a deficient number, since it is larger than the sum of its proper divisors (982042007).

10221022201 is a wasteful number, since it uses less digits than its factorization.

10221022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221022201 its reverse (10222012201), we get a palindrome (20443034402).

The spelling of 10221022201 in words is "ten billion, two hundred twenty-one million, twenty-two thousand, two hundred one".