11201221110 has 16 divisors (see below), whose sum is σ = 26882930736. Its totient is φ = 2986992288.

The previous prime is 11201221081. The next prime is 11201221133. The reversal of 11201221110 is 1112210211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186686989 + ... + 186687048.

It is an arithmetic number, because the mean of its divisors is an integer number (1680183171).

Almost surely, 2^11201221110 is an apocalyptic number.

11201221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11201221110 is an abundant number, since it is smaller than the sum of its proper divisors (15681709626).

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

11201221110 is a wasteful number, since it uses less digits than its factorization.

11201221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373374047.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201221110 its reverse (1112210211), we get a palindrome (12313431321).

The spelling of 11201221110 in words is "eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred ten".