131412400220111 has 4 divisors (see below), whose sum is σ = 131415793911192. Its totient is φ = 131409006529032.

The previous prime is 131412400220099. The next prime is 131412400220119. The reversal of 131412400220111 is 111022004214131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131412400220111 is a prime.

It is a super-2 number, since 2×131412400220111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131412400220119) 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, 1696787456 + ... + 1696864901.

It is an arithmetic number, because the mean of its divisors is an integer number (32853948477798).

Almost surely, 2^{131412400220111} is an apocalyptic number.

131412400220111 is a deficient number, since it is larger than the sum of its proper divisors (3393691081).

131412400220111 is an equidigital number, since it uses as much as digits as its factorization.

131412400220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393691080.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 131412400220111 its reverse (111022004214131), we get a palindrome (242434404434242).

The spelling of 131412400220111 in words is "one hundred thirty-one trillion, four hundred twelve billion, four hundred million, two hundred twenty thousand, one hundred eleven".