113222221010221 has 4 divisors (see below), whose sum is σ = 113226650526844. Its totient is φ = 113217791493600.

The previous prime is 113222221010209. The next prime is 113222221010257. The reversal of 113222221010221 is 122010122222311.

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 100744159305321 + 12478061704900 = 10037139^2 + 3532430^2 .

It is a cyclic number.

It is not a de Polignac number, because 113222221010221 - 2¹¹ = 113222221008173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113222221010192 and 113222221010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222251010221) 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, 2214719970 + ... + 2214771091.

It is an arithmetic number, because the mean of its divisors is an integer number (28306662631711).

Almost surely, 2^{113222221010221} is an apocalyptic number.

It is an amenable number.

113222221010221 is a deficient number, since it is larger than the sum of its proper divisors (4429516623).

113222221010221 is an equidigital number, since it uses as much as digits as its factorization.

113222221010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429516622.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 113222221010221 its reverse (122010122222311), we get a palindrome (235232343232532).

The spelling of 113222221010221 in words is "one hundred thirteen trillion, two hundred twenty-two billion, two hundred twenty-one million, ten thousand, two hundred twenty-one".