11201111211210 has 64 divisors (see below), whose sum is σ = 28126684194048. Its totient is φ = 2849435195904.

The previous prime is 11201111211181. The next prime is 11201111211221. The reversal of 11201111211210 is 1211211110211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11201111211210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21503347 + ... + 22018086.

It is an arithmetic number, because the mean of its divisors is an integer number (439479440532).

Almost surely, 2^{11201111211210} is an apocalyptic number.

11201111211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11201111211210 is an abundant number, since it is smaller than the sum of its proper divisors (16925572982838).

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

11201111211210 is a wasteful number, since it uses less digits than its factorization.

11201111211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43521839.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11201111211210 its reverse (1211211110211), we get a palindrome (12412322321421).

The spelling of 11201111211210 in words is "eleven trillion, two hundred one billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".