131133212111 has 8 divisors (see below), whose sum is σ = 143066804304. Its totient is φ = 119201685120.

The previous prime is 131133212081. The next prime is 131133212117. The reversal of 131133212111 is 111212331131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131133212111 - 2³⁰ = 130059470287 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 (131133212117) 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 7 ways as a sum of consecutive naturals, for example, 382010 + ... + 638903.

It is an arithmetic number, because the mean of its divisors is an integer number (17883350538).

Almost surely, 2^131133212111 is an apocalyptic number.

131133212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131133212111 is a deficient number, since it is larger than the sum of its proper divisors (11933592193).

131133212111 is a wasteful number, since it uses less digits than its factorization.

131133212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032601.

The product of its digits is 108, while the sum is 20.

Adding to 131133212111 its reverse (111212331131), we get a palindrome (242345543242).

The spelling of 131133212111 in words is "one hundred thirty-one billion, one hundred thirty-three million, two hundred twelve thousand, one hundred eleven".