102111300142135 has 16 divisors (see below), whose sum is σ = 126118791987840. Its totient is φ = 79332788471040.

The previous prime is 102111300142109. The next prime is 102111300142139. The reversal of 102111300142135 is 531241003111201.

It is not a de Polignac number, because 102111300142135 - 2⁹ = 102111300141623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111300142139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118907222 + ... + 2118955411.

It is an arithmetic number, because the mean of its divisors is an integer number (7882424499240).

Almost surely, 2^{102111300142135} is an apocalyptic number.

102111300142135 is a deficient number, since it is larger than the sum of its proper divisors (24007491845705).

102111300142135 is an equidigital number, since it uses as much as digits as its factorization.

102111300142135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237862778.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 102111300142135 its reverse (531241003111201), we get a palindrome (633352303253336).

The spelling of 102111300142135 in words is "one hundred two trillion, one hundred eleven billion, three hundred million, one hundred forty-two thousand, one hundred thirty-five".