142111420123311 has 20 divisors (see below), whose sum is σ = 213241871865792. Its totient is φ = 94316099442048.

The previous prime is 142111420123301. The next prime is 142111420123319. The reversal of 142111420123311 is 113321024111241.

142111420123311 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 1 + 1 + 420 + 1 + 233 + 1 + 1 = 666.

It is not a de Polignac number, because 142111420123311 - 2⁶ = 142111420123247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142111420123319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3933753186 + ... + 3933789311.

Almost surely, 2^{142111420123311} is an apocalyptic number.

142111420123311 is a deficient number, since it is larger than the sum of its proper divisors (71130451742481).

142111420123311 is an equidigital number, since it uses as much as digits as its factorization.

142111420123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867542732 (or 7867542723 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 142111420123311 its reverse (113321024111241), we get a palindrome (255432444234552).

The spelling of 142111420123311 in words is "one hundred forty-two trillion, one hundred eleven billion, four hundred twenty million, one hundred twenty-three thousand, three hundred eleven".