20200111111101 has 16 divisors (see below), whose sum is σ = 27320994176000. Its totient is φ = 13273235216640.

The previous prime is 20200111111051. The next prime is 20200111111133. The reversal of 20200111111101 is 10111111100202.

It is not a de Polignac number, because 20200111111101 - 2²¹ = 20200109013949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200111111171) 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, 31029976 + ... + 31674273.

It is an arithmetic number, because the mean of its divisors is an integer number (1707562136000).

Almost surely, 2^{20200111111101} is an apocalyptic number.

It is an amenable number.

20200111111101 is a deficient number, since it is larger than the sum of its proper divisors (7120883064899).

20200111111101 is a wasteful number, since it uses less digits than its factorization.

20200111111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62705796.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20200111111101 its reverse (10111111100202), we get a palindrome (30311222211303).

The spelling of 20200111111101 in words is "twenty trillion, two hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred one".