1111102222120 has 64 divisors (see below), whose sum is σ = 2731897627200. Its totient is φ = 403348769280.

The previous prime is 1111102222103. The next prime is 1111102222121. The reversal of 1111102222120 is 212222011111.

It is a junction number, because it is equal to n+sod(n) for n = 1111102222094 and 1111102222103.

It is not an unprimeable number, because it can be changed into a prime (1111102222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1892685 + ... + 2409244.

It is an arithmetic number, because the mean of its divisors is an integer number (42685900425).

Almost surely, 2^{1111102222120} is an apocalyptic number.

1111102222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111102222120 is an abundant number, since it is smaller than the sum of its proper divisors (1620795405080).

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

1111102222120 is a wasteful number, since it uses less digits than its factorization.

1111102222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302538 (or 4302534 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111102222120 its reverse (212222011111), we get a palindrome (1323324233231).

The spelling of 1111102222120 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty".