11211202101100 has 72 divisors (see below), whose sum is σ = 25306262326800. Its totient is φ = 4305921580800.

The previous prime is 11211202100983. The next prime is 11211202101109. The reversal of 11211202101100 is 110120211211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11211202101109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10154470 + ... + 11204269.

It is an arithmetic number, because the mean of its divisors is an integer number (351475865650).

Almost surely, 2^{11211202101100} is an apocalyptic number.

11211202101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211202101100 is an abundant number, since it is smaller than the sum of its proper divisors (14095060225700).

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

11211202101100 is a wasteful number, since it uses less digits than its factorization.

11211202101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358963 (or 21358956 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11211202101100 its reverse (110120211211), we get a palindrome (11321322312311).

The spelling of 11211202101100 in words is "eleven trillion, two hundred eleven billion, two hundred two million, one hundred one thousand, one hundred".