112101201021 has 4 divisors (see below), whose sum is σ = 149468268032. Its totient is φ = 74734134012.

The previous prime is 112101201019. The next prime is 112101201077. The reversal of 112101201021 is 120102101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112101201021 - 2¹ = 112101201019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112101200988 and 112101201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18683533501 + ... + 18683533506.

It is an arithmetic number, because the mean of its divisors is an integer number (37367067008).

Almost surely, 2^112101201021 is an apocalyptic number.

It is an amenable number.

112101201021 is a deficient number, since it is larger than the sum of its proper divisors (37367067011).

112101201021 is an equidigital number, since it uses as much as digits as its factorization.

112101201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367067010.

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

Adding to 112101201021 its reverse (120102101211), we get a palindrome (232203302232).

The spelling of 112101201021 in words is "one hundred twelve billion, one hundred one million, two hundred one thousand, twenty-one".