131011013212111 has 4 divisors (see below), whose sum is σ = 131011060384192. Its totient is φ = 131010966040032.

The previous prime is 131011013212081. The next prime is 131011013212153. The reversal of 131011013212111 is 111212310110131.

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 131011013212111 - 2³³ = 131002423277519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011013219111) 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, 19140831 + ... + 25067776.

It is an arithmetic number, because the mean of its divisors is an integer number (32752765096048).

Almost surely, 2^{131011013212111} is an apocalyptic number.

131011013212111 is a deficient number, since it is larger than the sum of its proper divisors (47172081).

131011013212111 is an equidigital number, since it uses as much as digits as its factorization.

131011013212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47172080.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 131011013212111 its reverse (111212310110131), we get a palindrome (242223323322242).

The spelling of 131011013212111 in words is "one hundred thirty-one trillion, eleven billion, thirteen million, two hundred twelve thousand, one hundred eleven".