20010112201 has 4 divisors (see below), whose sum is σ = 20700116100. Its totient is φ = 19320108304.

The previous prime is 20010112193. The next prime is 20010112229. The reversal of 20010112201 is 10221101002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4054632976 + 15955479225 = 63676^2 + 126315^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010112201 - 2³ = 20010112193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010112231) 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, 345001906 + ... + 345001963.

It is an arithmetic number, because the mean of its divisors is an integer number (5175029025).

Almost surely, 2^20010112201 is an apocalyptic number.

It is an amenable number.

20010112201 is a deficient number, since it is larger than the sum of its proper divisors (690003899).

20010112201 is an equidigital number, since it uses as much as digits as its factorization.

20010112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690003898.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20010112201 its reverse (10221101002), we get a palindrome (30231213203).

The spelling of 20010112201 in words is "twenty billion, ten million, one hundred twelve thousand, two hundred one".