113002211112221 has 8 divisors (see below), whose sum is σ = 113325961894200. Its totient is φ = 112678571538432.

The previous prime is 113002211112211. The next prime is 113002211112229. The reversal of 113002211112221 is 122211112200311.

It can be written as a sum of positive squares in 4 ways, for example, as 3373228123225 + 109628982988996 = 1836635^2 + 10470386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113002211112221 - 2²² = 113002206917917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113002211112193 and 113002211112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113002211112229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25766660 + ... + 29831613.

It is an arithmetic number, because the mean of its divisors is an integer number (14165745236775).

Almost surely, 2^{113002211112221} is an apocalyptic number.

It is an amenable number.

113002211112221 is a deficient number, since it is larger than the sum of its proper divisors (323750781979).

113002211112221 is an equidigital number, since it uses as much as digits as its factorization.

113002211112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55604095.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 113002211112221 its reverse (122211112200311), we get a palindrome (235213323312532).

The spelling of 113002211112221 in words is "one hundred thirteen trillion, two billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-one".