102042511113 has 4 divisors (see below), whose sum is σ = 136056681488. Its totient is φ = 68028340740.

The previous prime is 102042511097. The next prime is 102042511127. The reversal of 102042511113 is 311115240201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311115240201 = 3 ⋅103705080067.

It is not a de Polignac number, because 102042511113 - 2⁴ = 102042511097 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 102042511113.

It is not an unprimeable number, because it can be changed into a prime (102042511013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17007085183 + ... + 17007085188.

It is an arithmetic number, because the mean of its divisors is an integer number (34014170372).

Almost surely, 2^102042511113 is an apocalyptic number.

It is an amenable number.

102042511113 is a deficient number, since it is larger than the sum of its proper divisors (34014170375).

102042511113 is an equidigital number, since it uses as much as digits as its factorization.

102042511113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34014170374.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 102042511113 its reverse (311115240201), we get a palindrome (413157751314).

The spelling of 102042511113 in words is "one hundred two billion, forty-two million, five hundred eleven thousand, one hundred thirteen".