13111101021100 has 18 divisors (see below), whose sum is σ = 28451089216004. Its totient is φ = 5244440408400.

The previous prime is 13111101021077. The next prime is 13111101021119. The reversal of 13111101021100 is 112010111131.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65555505006 + ... + 65555505205.

Almost surely, 2^{13111101021100} is an apocalyptic number.

13111101021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111101021100 is an abundant number, since it is smaller than the sum of its proper divisors (15339988194904).

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

13111101021100 is a wasteful number, since it uses less digits than its factorization.

13111101021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131111010225 (or 131111010218 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 13111101021100 its reverse (112010111131), we get a palindrome (13223111132231).

The spelling of 13111101021100 in words is "thirteen trillion, one hundred eleven billion, one hundred one million, twenty-one thousand, one hundred".