20000120112101 has 4 divisors (see below), whose sum is σ = 21176597765772. Its totient is φ = 18823642458432.

The previous prime is 20000120112047. The next prime is 20000120112143. The reversal of 20000120112101 is 10121102100002.

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 18458236653025 + 1541883459076 = 4296305^2 + 1241726^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000120112101 - 2¹⁴ = 20000120095717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000120412101) 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 3 ways as a sum of consecutive naturals, for example, 588238826810 + ... + 588238826843.

It is an arithmetic number, because the mean of its divisors is an integer number (5294149441443).

Almost surely, 2^{20000120112101} is an apocalyptic number.

It is an amenable number.

20000120112101 is a deficient number, since it is larger than the sum of its proper divisors (1176477653671).

20000120112101 is a wasteful number, since it uses less digits than its factorization.

20000120112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176477653670.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20000120112101 its reverse (10121102100002), we get a palindrome (30121222212103).

The spelling of 20000120112101 in words is "twenty trillion, one hundred twenty million, one hundred twelve thousand, one hundred one".