131112001211 has 4 divisors (see below), whose sum is σ = 131113057800. Its totient is φ = 131110944624.

The previous prime is 131112001129. The next prime is 131112001213. The reversal of 131112001211 is 112100211131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131112001211 - 2¹⁴ = 131111984827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131112001213) 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, 312881 + ... + 600098.

It is an arithmetic number, because the mean of its divisors is an integer number (32778264450).

Almost surely, 2^131112001211 is an apocalyptic number.

131112001211 is a deficient number, since it is larger than the sum of its proper divisors (1056589).

131112001211 is an equidigital number, since it uses as much as digits as its factorization.

131112001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056588.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 131112001211 its reverse (112100211131), we get a palindrome (243212212342).

The spelling of 131112001211 in words is "one hundred thirty-one billion, one hundred twelve million, one thousand, two hundred eleven".