131010123332221 has 4 divisors (see below), whose sum is σ = 149725855236832. Its totient is φ = 112294391427612.

The previous prime is 131010123332189. The next prime is 131010123332233. The reversal of 131010123332221 is 122233321010131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131010123332221 - 2⁵ = 131010123332189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010123332251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9357865952295 + ... + 9357865952308.

It is an arithmetic number, because the mean of its divisors is an integer number (37431463809208).

Almost surely, 2^{131010123332221} is an apocalyptic number.

It is an amenable number.

131010123332221 is a deficient number, since it is larger than the sum of its proper divisors (18715731904611).

131010123332221 is an equidigital number, since it uses as much as digits as its factorization.

131010123332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18715731904610.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131010123332221 its reverse (122233321010131), we get a palindrome (253243444342352).

The spelling of 131010123332221 in words is "one hundred thirty-one trillion, ten billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred twenty-one".