20201100122101 has 8 divisors (see below), whose sum is σ = 20507913936000. Its totient is φ = 19894905510480.

The previous prime is 20201100122089. The next prime is 20201100122113. The reversal of 20201100122101 is 10122100110202.

It is an interprime number because it is at equal distance from previous prime (20201100122089) and next prime (20201100122113).

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 20201100122101 - 2²¹ = 20201098024949 is a prime.

It is a super-2 number, since 2×20201100122101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201100122501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154734826 + ... + 154865323.

It is an arithmetic number, because the mean of its divisors is an integer number (2563489242000).

Almost surely, 2^{20201100122101} is an apocalyptic number.

It is an amenable number.

20201100122101 is a deficient number, since it is larger than the sum of its proper divisors (306813813899).

20201100122101 is an equidigital number, since it uses as much as digits as its factorization.

20201100122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309601139.

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

Adding to 20201100122101 its reverse (10122100110202), we get a palindrome (30323200232303).

The spelling of 20201100122101 in words is "twenty trillion, two hundred one billion, one hundred million, one hundred twenty-two thousand, one hundred one".