131211222334411 has 4 divisors (see below), whose sum is σ = 131211978502824. Its totient is φ = 131210466166000.

The previous prime is 131211222334391. The next prime is 131211222334421. The reversal of 131211222334411 is 114433222112131.

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 131211222334411 - 2⁹ = 131211222333899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211222334421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377823865 + ... + 378170986.

It is an arithmetic number, because the mean of its divisors is an integer number (32802994625706).

Almost surely, 2^{131211222334411} is an apocalyptic number.

131211222334411 is a deficient number, since it is larger than the sum of its proper divisors (756168413).

131211222334411 is an equidigital number, since it uses as much as digits as its factorization.

131211222334411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756168412.

The product of its digits is 6912, while the sum is 31.

Adding to 131211222334411 its reverse (114433222112131), we get a palindrome (245644444446542).

The spelling of 131211222334411 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, three hundred thirty-four thousand, four hundred eleven".