102142343331121 has 8 divisors (see below), whose sum is σ = 102520827250920. Its totient is φ = 101763929476608.

The previous prime is 102142343331113. The next prime is 102142343331139. The reversal of 102142343331121 is 121133343241201.

It can be written as a sum of positive squares in 4 ways, for example, as 5315975809600 + 96826367521521 = 2305640^2 + 9840039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102142343331121 - 2³ = 102142343331113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102142343331181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14594386 + ... + 20427451.

It is an arithmetic number, because the mean of its divisors is an integer number (12815103406365).

Almost surely, 2^{102142343331121} is an apocalyptic number.

It is an amenable number.

102142343331121 is a deficient number, since it is larger than the sum of its proper divisors (378483919799).

102142343331121 is a wasteful number, since it uses less digits than its factorization.

102142343331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35032643.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 102142343331121 its reverse (121133343241201), we get a palindrome (223275686572322).

The spelling of 102142343331121 in words is "one hundred two trillion, one hundred forty-two billion, three hundred forty-three million, three hundred thirty-one thousand, one hundred twenty-one".