11331230113221 has 8 divisors (see below), whose sum is σ = 15110175071424. Its totient is φ = 7553219281920.

The previous prime is 11331230113213. The next prime is 11331230113283. The reversal of 11331230113221 is 12231103213311.

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

It is not a de Polignac number, because 11331230113221 - 2³ = 11331230113213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11331230113191 and 11331230113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331230113921) 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, 233503420 + ... + 233551941.

It is an arithmetic number, because the mean of its divisors is an integer number (1888771883928).

Almost surely, 2^{11331230113221} is an apocalyptic number.

It is an amenable number.

11331230113221 is a deficient number, since it is larger than the sum of its proper divisors (3778944958203).

11331230113221 is an equidigital number, since it uses as much as digits as its factorization.

11331230113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467063451.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11331230113221 its reverse (12231103213311), we get a palindrome (23562333326532).

The spelling of 11331230113221 in words is "eleven trillion, three hundred thirty-one billion, two hundred thirty million, one hundred thirteen thousand, two hundred twenty-one".