20120110201 has 4 divisors (see below), whose sum is σ = 20146550004. Its totient is φ = 20093670400.

The previous prime is 20120110193. The next prime is 20120110237. The reversal of 20120110201 is 10201102102.

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 1807525225 + 18312584976 = 42515^2 + 135324^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120110201 - 2³ = 20120110193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120110501) 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, 13218760 + ... + 13220281.

It is an arithmetic number, because the mean of its divisors is an integer number (5036637501).

Almost surely, 2^20120110201 is an apocalyptic number.

It is an amenable number.

20120110201 is a deficient number, since it is larger than the sum of its proper divisors (26439803).

20120110201 is an equidigital number, since it uses as much as digits as its factorization.

20120110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26439802.

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

Adding to 20120110201 its reverse (10201102102), we get a palindrome (30321212303).

It can be divided in two parts, 20120 and 110201, that added together give a 4-th power (130321 = 19⁴).

The spelling of 20120110201 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, two hundred one".