20211202112001 has 16 divisors (see below), whose sum is σ = 28452299178240. Its totient is φ = 12726404879760.

The previous prime is 20211202111883. The next prime is 20211202112033. The reversal of 20211202112001 is 10021120211202.

It is not a de Polignac number, because 20211202112001 - 2⁷ = 20211202111873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211202112701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535604235 + ... + 535641968.

It is an arithmetic number, because the mean of its divisors is an integer number (1778268698640).

Almost surely, 2^{20211202112001} is an apocalyptic number.

It is an amenable number.

20211202112001 is a deficient number, since it is larger than the sum of its proper divisors (8241097066239).

20211202112001 is a wasteful number, since it uses less digits than its factorization.

20211202112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071246556.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211202112001 its reverse (10021120211202), we get a palindrome (30232322323203).

The spelling of 20211202112001 in words is "twenty trillion, two hundred eleven billion, two hundred two million, one hundred twelve thousand, one".