113022101221 has 4 divisors (see below), whose sum is σ = 113025062700. Its totient is φ = 113019139744.

The previous prime is 113022101209. The next prime is 113022101239. The reversal of 113022101221 is 122101220311.

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 34488204100 + 78533897121 = 185710^2 + 280239^2 .

It is a cyclic number.

It is not a de Polignac number, because 113022101221 - 2¹³ = 113022093029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113022101195 and 113022101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113022101201) 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, 1422736 + ... + 1500073.

It is an arithmetic number, because the mean of its divisors is an integer number (28256265675).

Almost surely, 2^113022101221 is an apocalyptic number.

It is an amenable number.

113022101221 is a deficient number, since it is larger than the sum of its proper divisors (2961479).

113022101221 is an equidigital number, since it uses as much as digits as its factorization.

113022101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961478.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 113022101221 its reverse (122101220311), we get a palindrome (235123321532).

The spelling of 113022101221 in words is "one hundred thirteen billion, twenty-two million, one hundred one thousand, two hundred twenty-one".