13021110100000 has 72 divisors (see below), whose sum is σ = 32042087557956. Its totient is φ = 5208444000000.

The previous prime is 13021110099961. The next prime is 13021110100001. The reversal of 13021110100000 is 101112031.

It can be written as a sum of positive squares in 6 ways, for example, as 1400729058576 + 11620381041424 = 1183524^2 + 3408868^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 13021110100000.

It is not an unprimeable number, because it can be changed into a prime (13021110100001) 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, 65005551 + ... + 65205550.

Almost surely, 2^{13021110100000} is an apocalyptic number.

13021110100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021110100000 is an abundant number, since it is smaller than the sum of its proper divisors (19020977457956).

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

13021110100000 is an frugal number, since it uses more digits than its factorization.

13021110100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130211136 (or 130211108 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 13021110100000 its reverse (101112031), we get a palindrome (13021211212031).

The spelling of 13021110100000 in words is "thirteen trillion, twenty-one billion, one hundred ten million, one hundred thousand".