13112003002100 has 36 divisors (see below), whose sum is σ = 28455718720044. Its totient is φ = 5244308628480.

The previous prime is 13112003001973. The next prime is 13112003002103. The reversal of 13112003002100 is 120030021131.

It can be written as a sum of positive squares in 6 ways, for example, as 6555832510096 + 6556170492004 = 2560436^2 + 2560502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112003002103) 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, 5086127 + ... + 7217526.

Almost surely, 2^{13112003002100} is an apocalyptic number.

13112003002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112003002100 is an abundant number, since it is smaller than the sum of its proper divisors (15343715717944).

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

13112003002100 is a wasteful number, since it uses less digits than its factorization.

13112003002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12314324 (or 12314317 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13112003002100 its reverse (120030021131), we get a palindrome (13232033023231).

The spelling of 13112003002100 in words is "thirteen trillion, one hundred twelve billion, three million, two thousand, one hundred".