20201200111101 has 16 divisors (see below), whose sum is σ = 28379538391040. Its totient is φ = 12746513127600.

The previous prime is 20201200111031. The next prime is 20201200111111. The reversal of 20201200111101 is 10111100210202.

It is not a de Polignac number, because 20201200111101 - 2⁹ = 20201200110589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201200111111) 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 15 ways as a sum of consecutive naturals, for example, 168544765 + ... + 168664578.

It is an arithmetic number, because the mean of its divisors is an integer number (1773721149440).

Almost surely, 2^{20201200111101} is an apocalyptic number.

It is an amenable number.

20201200111101 is a deficient number, since it is larger than the sum of its proper divisors (8178338279939).

20201200111101 is a wasteful number, since it uses less digits than its factorization.

20201200111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337210416.

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

Adding to 20201200111101 its reverse (10111100210202), we get a palindrome (30312300321303).

The spelling of 20201200111101 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred eleven thousand, one hundred one".