11110221199872 has 60 divisors (see below), whose sum is σ = 32064850650690. Its totient is φ = 3703407065088.

The previous prime is 11110221199859. The next prime is 11110221199873. The reversal of 11110221199872 is 27899112201111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10174466785536 + 935754414336 = 3189744^2 + 967344^2 .

It is a super-2 number, since 2×11110221199872² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11110221199873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1205531547 + ... + 1205540762.

Almost surely, 2^{11110221199872} is an apocalyptic number.

11110221199872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11110221199872 is an abundant number, since it is smaller than the sum of its proper divisors (20954629450818).

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

11110221199872 is an equidigital number, since it uses as much as digits as its factorization.

11110221199872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411072333 (or 2411072314 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 45.

The spelling of 11110221199872 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred ninety-nine thousand, eight hundred seventy-two".