20100012201 has 48 divisors (see below), whose sum is σ = 32470027200. Its totient is φ = 11925615744.

The previous prime is 20100012181. The next prime is 20100012211. The reversal of 20100012201 is 10221000102.

It is not a de Polignac number, because 20100012201 - 2⁷ = 20100012073 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (20100012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128710 + ... + 238256.

It is an arithmetic number, because the mean of its divisors is an integer number (676458900).

Almost surely, 2^20100012201 is an apocalyptic number.

It is an amenable number.

20100012201 is a deficient number, since it is larger than the sum of its proper divisors (12370014999).

20100012201 is a wasteful number, since it uses less digits than its factorization.

20100012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109638 (or 109635 counting only the distinct ones).

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

Adding to 20100012201 its reverse (10221000102), we get a palindrome (30321012303).

The spelling of 20100012201 in words is "twenty billion, one hundred million, twelve thousand, two hundred one".