142111031240111 has 2 divisors, whose sum is σ = 142111031240112. Its totient is φ = 142111031240110.

The previous prime is 142111031240099. The next prime is 142111031240131. The reversal of 142111031240111 is 111042130111241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142111031240111 - 2⁶ = 142111031240047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142111031240131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71055515620055 + 71055515620056.

It is an arithmetic number, because the mean of its divisors is an integer number (71055515620056).

Almost surely, 2^{142111031240111} is an apocalyptic number.

142111031240111 is a deficient number, since it is larger than the sum of its proper divisors (1).

142111031240111 is an equidigital number, since it uses as much as digits as its factorization.

142111031240111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 142111031240111 its reverse (111042130111241), we get a palindrome (253153161351352).

The spelling of 142111031240111 in words is "one hundred forty-two trillion, one hundred eleven billion, thirty-one million, two hundred forty thousand, one hundred eleven".