142112001021143 has 4 divisors (see below), whose sum is σ = 142113621930240. Its totient is φ = 142110380112048.

The previous prime is 142112001021101. The next prime is 142112001021157. The reversal of 142112001021143 is 341120100211241.

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

It is a cyclic number.

It is not a de Polignac number, because 142112001021143 - 2⁸ = 142112001020887 is a prime.

It is a super-3 number, since 3×142112001021143³ (a number of 43 digits) contains 333 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 (142112001021443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810323030 + ... + 810498387.

It is an arithmetic number, because the mean of its divisors is an integer number (35528405482560).

Almost surely, 2^{142112001021143} is an apocalyptic number.

142112001021143 is a deficient number, since it is larger than the sum of its proper divisors (1620909097).

142112001021143 is an equidigital number, since it uses as much as digits as its factorization.

142112001021143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620909096.

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

Adding to 142112001021143 its reverse (341120100211241), we get a palindrome (483232101232384).

The spelling of 142112001021143 in words is "one hundred forty-two trillion, one hundred twelve billion, one million, twenty-one thousand, one hundred forty-three".