20020112211001 has 16 divisors (see below), whose sum is σ = 23419829171200. Its totient is φ = 16755579742608.

The previous prime is 20020112210993. The next prime is 20020112211023. The reversal of 20020112211001 is 10011221102002.

It is not a de Polignac number, because 20020112211001 - 2³ = 20020112210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020112211031) 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 15 ways as a sum of consecutive naturals, for example, 9874131 + ... + 11727688.

It is an arithmetic number, because the mean of its divisors is an integer number (1463739323200).

Almost surely, 2^{20020112211001} is an apocalyptic number.

It is an amenable number.

20020112211001 is a deficient number, since it is larger than the sum of its proper divisors (3399716960199).

20020112211001 is a wasteful number, since it uses less digits than its factorization.

20020112211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604948.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020112211001 its reverse (10011221102002), we get a palindrome (30031333313003).

The spelling of 20020112211001 in words is "twenty trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, one".