102042142113 has 4 divisors (see below), whose sum is σ = 136056189488. Its totient is φ = 68028094740.

The previous prime is 102042142073. The next prime is 102042142151. The reversal of 102042142113 is 311241240201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102042142113 - 2²⁰ = 102041093537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102042142113.

It is not an unprimeable number, because it can be changed into a prime (102042140113) 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, 17007023683 + ... + 17007023688.

It is an arithmetic number, because the mean of its divisors is an integer number (34014047372).

Almost surely, 2^102042142113 is an apocalyptic number.

It is an amenable number.

102042142113 is a deficient number, since it is larger than the sum of its proper divisors (34014047375).

102042142113 is an equidigital number, since it uses as much as digits as its factorization.

102042142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34014047374.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102042142113 its reverse (311241240201), we get a palindrome (413283382314).

The spelling of 102042142113 in words is "one hundred two billion, forty-two million, one hundred forty-two thousand, one hundred thirteen".