11222111222160 has 80 divisors (see below), whose sum is σ = 34843677659520. Its totient is φ = 2987820380160.

The previous prime is 11222111222159. The next prime is 11222111222167. The reversal of 11222111222160 is 6122211122211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11222111222160.

It is not an unprimeable number, because it can be changed into a prime (11222111222167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36899905 + ... + 37202784.

It is an arithmetic number, because the mean of its divisors is an integer number (435545970744).

Almost surely, 2^{11222111222160} is an apocalyptic number.

11222111222160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222111222160 is an abundant number, since it is smaller than the sum of its proper divisors (23621566437360).

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

11222111222160 is a wasteful number, since it uses less digits than its factorization.

11222111222160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74103336 (or 74103330 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 11222111222160 its reverse (6122211122211), we get a palindrome (17344322344371).

The spelling of 11222111222160 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred sixty".