1111221001120 has 96 divisors (see below), whose sum is σ = 2631596688000. Its totient is φ = 443416636416.

The previous prime is 1111221001061. The next prime is 1111221001243. The reversal of 1111221001120 is 211001221111.

It is a happy number.

It is a super-2 number, since 2×1111221001120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111221001120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159953487 + ... + 159960433.

It is an arithmetic number, because the mean of its divisors is an integer number (27412465500).

Almost surely, 2^{1111221001120} is an apocalyptic number.

1111221001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111221001120 is an abundant number, since it is smaller than the sum of its proper divisors (1520375686880).

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

1111221001120 is a wasteful number, since it uses less digits than its factorization.

1111221001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9222 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111221001120 its reverse (211001221111), we get a palindrome (1322222222231).

The spelling of 1111221001120 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one thousand, one hundred twenty".