113211330221 has 8 divisors (see below), whose sum is σ = 130768167744. Its totient is φ = 96865309120.

The previous prime is 113211330173. The next prime is 113211330233. The reversal of 113211330221 is 122033112311.

It is a happy number.

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

It is not a de Polignac number, because 113211330221 - 2¹⁰ = 113211329197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113211330193 and 113211330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211330241) 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, 302703905 + ... + 302704278.

It is an arithmetic number, because the mean of its divisors is an integer number (16346020968).

Almost surely, 2^113211330221 is an apocalyptic number.

113211330221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113211330221 is a deficient number, since it is larger than the sum of its proper divisors (17556837523).

113211330221 is a wasteful number, since it uses less digits than its factorization.

113211330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605408211.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113211330221 its reverse (122033112311), we get a palindrome (235244442532).

The spelling of 113211330221 in words is "one hundred thirteen billion, two hundred eleven million, three hundred thirty thousand, two hundred twenty-one".