20201111102001 has 8 divisors (see below), whose sum is σ = 27259330644000. Its totient is φ = 13305149480672.

The previous prime is 20201111101999. The next prime is 20201111102063. The reversal of 20201111102001 is 10020111110202.

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

It is a cyclic number.

It is not a de Polignac number, because 20201111102001 - 2¹ = 20201111101999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201111102701) 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, 40564479876 + ... + 40564480373.

It is an arithmetic number, because the mean of its divisors is an integer number (3407416330500).

Almost surely, 2^{20201111102001} is an apocalyptic number.

It is an amenable number.

20201111102001 is a deficient number, since it is larger than the sum of its proper divisors (7058219541999).

20201111102001 is an equidigital number, since it uses as much as digits as its factorization.

20201111102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81128960335.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20201111102001 its reverse (10020111110202), we get a palindrome (30221222212203).

The spelling of 20201111102001 in words is "twenty trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, one".