20200112100111 has 16 divisors (see below), whose sum is σ = 27965036252160. Its totient is φ = 12954391763040.

The previous prime is 20200112100101. The next prime is 20200112100121. The reversal of 20200112100111 is 11100121100202.

It is an interprime number because it is at equal distance from previous prime (20200112100101) and next prime (20200112100121).

It is not a de Polignac number, because 20200112100111 - 2⁷ = 20200112099983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200112100101) 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, 428362395 + ... + 428409548.

It is an arithmetic number, because the mean of its divisors is an integer number (1747814765760).

Almost surely, 2^{20200112100111} is an apocalyptic number.

20200112100111 is a deficient number, since it is larger than the sum of its proper divisors (7764924152049).

20200112100111 is a wasteful number, since it uses less digits than its factorization.

20200112100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856772246.

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

Adding to 20200112100111 its reverse (11100121100202), we get a palindrome (31300233200313).

Subtracting from 20200112100111 its reverse (11100121100202), we obtain a palindrome (9099990999909).

The spelling of 20200112100111 in words is "twenty trillion, two hundred billion, one hundred twelve million, one hundred thousand, one hundred eleven".