13211230011100 has 108 divisors (see below), whose sum is σ = 31575705603624. Its totient is φ = 4794297200000.

The previous prime is 13211230011079. The next prime is 13211230011167. The reversal of 13211230011100 is 111003211231.

It is a happy number.

It is a super-2 number, since 2×13211230011100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4829250 + ... + 7052950.

It is an arithmetic number, because the mean of its divisors is an integer number (292367644478).

Almost surely, 2^{13211230011100} is an apocalyptic number.

13211230011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211230011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15787852801812).

13211230011100 is an abundant number, since it is smaller than the sum of its proper divisors (18364475592524).

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

13211230011100 is a wasteful number, since it uses less digits than its factorization.

13211230011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224228 (or 2224210 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13211230011100 its reverse (111003211231), we get a palindrome (13322233222331).

The spelling of 13211230011100 in words is "thirteen trillion, two hundred eleven billion, two hundred thirty million, eleven thousand, one hundred".