100320405102 has 24 divisors (see below), whose sum is σ = 217836521136. Its totient is φ = 33366959136.

The previous prime is 100320405079. The next prime is 100320405103. The reversal of 100320405102 is 201504023001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320405103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6089538 + ... + 6105989.

It is an arithmetic number, because the mean of its divisors is an integer number (9076521714).

Almost surely, 2^100320405102 is an apocalyptic number.

100320405102 is an abundant number, since it is smaller than the sum of its proper divisors (117516116034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100320405102 is a wasteful number, since it uses less digits than its factorization.

100320405102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195992 (or 12195989 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 100320405102 its reverse (201504023001), we get a palindrome (301824428103).

The spelling of 100320405102 in words is "one hundred billion, three hundred twenty million, four hundred five thousand, one hundred two".