20020112110001 has 4 divisors (see below), whose sum is σ = 20020142134272. Its totient is φ = 20020082085732.

The previous prime is 20020112109989. The next prime is 20020112110013. The reversal of 20020112110001 is 10001121102002.

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 an interprime number because it is at equal distance from previous prime (20020112109989) and next prime (20020112110013).

It is a cyclic number.

It is not a de Polignac number, because 20020112110001 - 2¹⁴ = 20020112093617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020112119001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13988681 + ... + 15353286.

It is an arithmetic number, because the mean of its divisors is an integer number (5005035533568).

Almost surely, 2^{20020112110001} is an apocalyptic number.

It is an amenable number.

20020112110001 is a deficient number, since it is larger than the sum of its proper divisors (30024271).

20020112110001 is an equidigital number, since it uses as much as digits as its factorization.

20020112110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30024270.

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

Adding to 20020112110001 its reverse (10001121102002), we get a palindrome (30021233212003).

The spelling of 20020112110001 in words is "twenty trillion, twenty billion, one hundred twelve million, one hundred ten thousand, one".