112200202021 has 4 divisors (see below), whose sum is σ = 112781550412. Its totient is φ = 111618853632.

The previous prime is 112200201983. The next prime is 112200202031. The reversal of 112200202021 is 120202002211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16106401921 + 96093800100 = 126911^2 + 309990^2 .

It is a cyclic number.

It is not a de Polignac number, because 112200202021 - 2¹⁷ = 112200070949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200201992 and 112200202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200202031) 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, 290673906 + ... + 290674291.

It is an arithmetic number, because the mean of its divisors is an integer number (28195387603).

Almost surely, 2^112200202021 is an apocalyptic number.

It is an amenable number.

112200202021 is a deficient number, since it is larger than the sum of its proper divisors (581348391).

112200202021 is an equidigital number, since it uses as much as digits as its factorization.

112200202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581348390.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112200202021 its reverse (120202002211), we get a palindrome (232402204232).

The spelling of 112200202021 in words is "one hundred twelve billion, two hundred million, two hundred two thousand, twenty-one".