102112144332143 has 4 divisors (see below), whose sum is σ = 111395066544168. Its totient is φ = 92829222120120.

The previous prime is 102112144331983. The next prime is 102112144332151. The reversal of 102112144332143 is 341233441211201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112144332143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112144332643) 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, 4641461105996 + ... + 4641461106017.

It is an arithmetic number, because the mean of its divisors is an integer number (27848766636042).

Almost surely, 2^{102112144332143} is an apocalyptic number.

102112144332143 is a deficient number, since it is larger than the sum of its proper divisors (9282922212025).

102112144332143 is an equidigital number, since it uses as much as digits as its factorization.

102112144332143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9282922212024.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 102112144332143 its reverse (341233441211201), we get a palindrome (443345585543344).

The spelling of 102112144332143 in words is "one hundred two trillion, one hundred twelve billion, one hundred forty-four million, three hundred thirty-two thousand, one hundred forty-three".