12101322331 has 4 divisors (see below), whose sum is σ = 13830082672. Its totient is φ = 10372561992.

The previous prime is 12101322301. The next prime is 12101322341. The reversal of 12101322331 is 13322310121.

12101322331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12101322331 - 2⁹ = 12101321819 is a prime.

It is a super-2 number, since 2×12101322331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101322299 and 12101322308.

It is not an unprimeable number, because it can be changed into a prime (12101322301) 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, 864380160 + ... + 864380173.

It is an arithmetic number, because the mean of its divisors is an integer number (3457520668).

Almost surely, 2^12101322331 is an apocalyptic number.

12101322331 is a deficient number, since it is larger than the sum of its proper divisors (1728760341).

12101322331 is an equidigital number, since it uses as much as digits as its factorization.

12101322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728760340.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12101322331 its reverse (13322310121), we get a palindrome (25423632452).

The spelling of 12101322331 in words is "twelve billion, one hundred one million, three hundred twenty-two thousand, three hundred thirty-one".