112020101 has 4 divisors (see below), whose sum is σ = 112286604. Its totient is φ = 111753600.

The previous prime is 112020091. The next prime is 112020107. The reversal of 112020101 is 101020211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101020211 = 241 ⋅419171.

It can be written as a sum of positive squares in 2 ways, for example, as 3880900 + 108139201 = 1970^2 + 10399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112020101 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 (112020107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132620 + ... + 133461.

It is an arithmetic number, because the mean of its divisors is an integer number (28071651).

Almost surely, 2^112020101 is an apocalyptic number.

It is an amenable number.

112020101 is a deficient number, since it is larger than the sum of its proper divisors (266503).

112020101 is an equidigital number, since it uses as much as digits as its factorization.

112020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266502.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112020101 is about 10583.9548846355. The cubic root of 112020101 is about 482.0572881753.

Adding to 112020101 its reverse (101020211), we get a palindrome (213040312).

It can be divided in two parts, 11 and 2020101, that multiplied together give a triangular number (22221111 = T₆₆₆₆).

The spelling of 112020101 in words is "one hundred twelve million, twenty thousand, one hundred one".