131133122222111 has 2 divisors, whose sum is σ = 131133122222112. Its totient is φ = 131133122222110.

The previous prime is 131133122222087. The next prime is 131133122222149. The reversal of 131133122222111 is 111222221331131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131133122222111 - 2⁴² = 126735075711007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131133122222171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566561111055 + 65566561111056.

It is an arithmetic number, because the mean of its divisors is an integer number (65566561111056).

Almost surely, 2^{131133122222111} is an apocalyptic number.

131133122222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

131133122222111 is an equidigital number, since it uses as much as digits as its factorization.

131133122222111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

Adding to 131133122222111 its reverse (111222221331131), we get a palindrome (242355343553242).

The spelling of 131133122222111 in words is "one hundred thirty-one trillion, one hundred thirty-three billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".