111231424132111 has 2 divisors, whose sum is σ = 111231424132112. Its totient is φ = 111231424132110.

The previous prime is 111231424132007. The next prime is 111231424132237.

It is a happy number.

111231424132111 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 111231424132111 - 2⁷ = 111231424131983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111231424132111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111231424133111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615712066055 + 55615712066056.

It is an arithmetic number, because the mean of its divisors is an integer number (55615712066056).

Almost surely, 2^{111231424132111} is an apocalyptic number.

111231424132111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111231424132111 is an equidigital number, since it uses as much as digits as its factorization.

111231424132111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The spelling of 111231424132111 in words is "one hundred eleven trillion, two hundred thirty-one billion, four hundred twenty-four million, one hundred thirty-two thousand, one hundred eleven".