20100011201 has 4 divisors (see below), whose sum is σ = 20152492032. Its totient is φ = 20047530372.

The previous prime is 20100011177. The next prime is 20100011221. The reversal of 20100011201 is 10211000102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100011201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100011221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26239841 + ... + 26240606.

It is an arithmetic number, because the mean of its divisors is an integer number (5038123008).

Almost surely, 2^20100011201 is an apocalyptic number.

It is an amenable number.

20100011201 is a deficient number, since it is larger than the sum of its proper divisors (52480831).

20100011201 is an equidigital number, since it uses as much as digits as its factorization.

20100011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52480830.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100011201 its reverse (10211000102), we get a palindrome (30311011303).

The spelling of 20100011201 in words is "twenty billion, one hundred million, eleven thousand, two hundred one".