112020021111 has 4 divisors (see below), whose sum is σ = 149360028152. Its totient is φ = 74680014072.

The previous prime is 112020021073. The next prime is 112020021151. The reversal of 112020021111 is 111120020211.

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

It is not a de Polignac number, because 112020021111 - 2¹⁷ = 112019890039 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 (112020021151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18670003516 + ... + 18670003521.

It is an arithmetic number, because the mean of its divisors is an integer number (37340007038).

Almost surely, 2^112020021111 is an apocalyptic number.

112020021111 is a deficient number, since it is larger than the sum of its proper divisors (37340007041).

112020021111 is an equidigital number, since it uses as much as digits as its factorization.

112020021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37340007040.

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

Adding to 112020021111 its reverse (111120020211), we get a palindrome (223140041322).

The spelling of 112020021111 in words is "one hundred twelve billion, twenty million, twenty-one thousand, one hundred eleven".