1111201202112 has 112 divisors (see below), whose sum is σ = 3099510419712. Its totient is φ = 350643363840.

The previous prime is 1111201202087. The next prime is 1111201202159. The reversal of 1111201202112 is 2112021021111.

It is a happy number.

It is a super-2 number, since 2×1111201202112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111201202091 and 1111201202100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868714 + ... + 1725417.

It is an arithmetic number, because the mean of its divisors is an integer number (27674200176).

Almost surely, 2^{1111201202112} is an apocalyptic number.

1111201202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111201202112 is an abundant number, since it is smaller than the sum of its proper divisors (1988309217600).

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

1111201202112 is a wasteful number, since it uses less digits than its factorization.

1111201202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594266 (or 2594256 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111201202112 its reverse (2112021021111), we get a palindrome (3223222223223).

The spelling of 1111201202112 in words is "one trillion, one hundred eleven billion, two hundred one million, two hundred two thousand, one hundred twelve".