11222111200 has 36 divisors (see below), whose sum is σ = 27395980920. Its totient is φ = 4488844160.

The previous prime is 11222111183. The next prime is 11222111273. The reversal of 11222111200 is 211122211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7013020 + ... + 7014619.

It is an arithmetic number, because the mean of its divisors is an integer number (760999470).

Almost surely, 2^11222111200 is an apocalyptic number.

11222111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222111200 is an abundant number, since it is smaller than the sum of its proper divisors (16173869720).

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

11222111200 is a wasteful number, since it uses less digits than its factorization.

11222111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027659 (or 14027646 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222111200 its reverse (211122211), we get a palindrome (11433233411).

The spelling of 11222111200 in words is "eleven billion, two hundred twenty-two million, one hundred eleven thousand, two hundred".