100102135123 has 8 divisors (see below), whose sum is σ = 103343955840. Its totient is φ = 96861109440.

The previous prime is 100102135121. The next prime is 100102135153. The reversal of 100102135123 is 321531201001.

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 100102135123 - 2¹ = 100102135121 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 100102135123.

It is not an unprimeable number, because it can be changed into a prime (100102135121) 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, 62613 + ... + 451801.

It is an arithmetic number, because the mean of its divisors is an integer number (12917994480).

Almost surely, 2^100102135123 is an apocalyptic number.

100102135123 is a deficient number, since it is larger than the sum of its proper divisors (3241820717).

100102135123 is an equidigital number, since it uses as much as digits as its factorization.

100102135123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397517.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 100102135123 its reverse (321531201001), we get a palindrome (421633336124).

It can be divided in two parts, 100102 and 135123, that added together give a square (235225 = 485²).

The spelling of 100102135123 in words is "one hundred billion, one hundred two million, one hundred thirty-five thousand, one hundred twenty-three".