10000122201 has 12 divisors (see below), whose sum is σ = 14835016612. Its totient is φ = 6486565536.

The previous prime is 10000122191. The next prime is 10000122217. The reversal of 10000122201 is 10222100001.

It can be written as a sum of positive squares in 2 ways, for example, as 8158424976 + 1841697225 = 90324^2 + 42915^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10000122201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000122221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15014866 + ... + 15015531.

Almost surely, 2^10000122201 is an apocalyptic number.

It is an amenable number.

10000122201 is a deficient number, since it is larger than the sum of its proper divisors (4834894411).

10000122201 is a wasteful number, since it uses less digits than its factorization.

10000122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030440 (or 30030437 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10000122201 its reverse (10222100001), we get a palindrome (20222222202).

The spelling of 10000122201 in words is "ten billion, one hundred twenty-two thousand, two hundred one".