131222121330011 has 4 divisors (see below), whose sum is σ = 131222157378024. Its totient is φ = 131222085282000.

The previous prime is 131222121329951. The next prime is 131222121330029. The reversal of 131222121330011 is 110033121222131.

It is a happy number.

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 131222121330011 - 2⁶ = 131222121329947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131222121330071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861330 + ... + 20078231.

It is an arithmetic number, because the mean of its divisors is an integer number (32805539344506).

Almost surely, 2^{131222121330011} is an apocalyptic number.

131222121330011 is a deficient number, since it is larger than the sum of its proper divisors (36048013).

131222121330011 is an equidigital number, since it uses as much as digits as its factorization.

131222121330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36048012.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131222121330011 its reverse (110033121222131), we get a palindrome (241255242552142).

The spelling of 131222121330011 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred thirty thousand, eleven".