20200112020111 has 4 divisors (see below), whose sum is σ = 20200155013432. Its totient is φ = 20200069026792.

The previous prime is 20200112020057. The next prime is 20200112020117. The reversal of 20200112020111 is 11102021100202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200112020111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200112020091 and 20200112020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200112020117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20784021 + ... + 21734206.

It is an arithmetic number, because the mean of its divisors is an integer number (5050038753358).

Almost surely, 2^{20200112020111} is an apocalyptic number.

20200112020111 is a deficient number, since it is larger than the sum of its proper divisors (42993321).

20200112020111 is an equidigital number, since it uses as much as digits as its factorization.

20200112020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42993320.

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

Adding to 20200112020111 its reverse (11102021100202), we get a palindrome (31302133120313).

The spelling of 20200112020111 in words is "twenty trillion, two hundred billion, one hundred twelve million, twenty thousand, one hundred eleven".