112020201122021 has 4 divisors (see below), whose sum is σ = 118609624717452. Its totient is φ = 105430777526592.

The previous prime is 112020201122009. The next prime is 112020201122033. The reversal of 112020201122021 is 120221102020211.

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

It is an interprime number because it is at equal distance from previous prime (112020201122009) and next prime (112020201122033).

It can be written as a sum of positive squares in 2 ways, for example, as 98255396212996 + 13764804909025 = 9912386^2 + 3710095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112020201122021 is a prime.

It is a super-2 number, since 2×112020201122021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6589423595413 = 112020201122021 / (1 + 1 + 2 + 0 + 2 + 0 + 2 + 0 + 1 + 1 + 2 + 2 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020201121021) 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, 3294711797690 + ... + 3294711797723.

It is an arithmetic number, because the mean of its divisors is an integer number (29652406179363).

Almost surely, 2^{112020201122021} is an apocalyptic number.

It is an amenable number.

112020201122021 is a deficient number, since it is larger than the sum of its proper divisors (6589423595431).

112020201122021 is an equidigital number, since it uses as much as digits as its factorization.

112020201122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589423595430.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112020201122021 its reverse (120221102020211), we get a palindrome (232241303142232).

The spelling of 112020201122021 in words is "one hundred twelve trillion, twenty billion, two hundred one million, one hundred twenty-two thousand, twenty-one".