11201111212100 has 36 divisors (see below), whose sum is σ = 24481277629200. Its totient is φ = 4448211065760.

The previous prime is 11201111212091. The next prime is 11201111212129. The reversal of 11201111212100 is 121211110211.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402903770 + ... + 402931569.

It is an arithmetic number, because the mean of its divisors is an integer number (680035489700).

Almost surely, 2^{11201111212100} is an apocalyptic number.

11201111212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201111212100 is an abundant number, since it is smaller than the sum of its proper divisors (13280166417100).

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

11201111212100 is a wasteful number, since it uses less digits than its factorization.

11201111212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805835492 (or 805835485 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201111212100 its reverse (121211110211), we get a palindrome (11322322322311).

The spelling of 11201111212100 in words is "eleven trillion, two hundred one billion, one hundred eleven million, two hundred twelve thousand, one hundred".