20112001112201 has 8 divisors (see below), whose sum is σ = 21295329640200. Its totient is φ = 18928702544128.

The previous prime is 20112001112117. The next prime is 20112001112239. The reversal of 20112001112201 is 10221110021102.

It can be written as a sum of positive squares in 4 ways, for example, as 1304904120976 + 18807096991225 = 1142324^2 + 4336715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112001112201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20112001412201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100526 + ... + 8800023.

It is an arithmetic number, because the mean of its divisors is an integer number (2661916205025).

Almost surely, 2^{20112001112201} is an apocalyptic number.

It is an amenable number.

20112001112201 is a deficient number, since it is larger than the sum of its proper divisors (1183328527999).

20112001112201 is a wasteful number, since it uses less digits than its factorization.

20112001112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14979963.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112001112201 its reverse (10221110021102), we get a palindrome (30333111133303).

The spelling of 20112001112201 in words is "twenty trillion, one hundred twelve billion, one million, one hundred twelve thousand, two hundred one".