1112111122000 has 40 divisors (see below), whose sum is σ = 2689084697832. Its totient is φ = 444844448000.

The previous prime is 1112111121911. The next prime is 1112111122027. The reversal of 1112111122000 is 2211112111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143847249984 + 968263872016 = 379272^2 + 984004^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1112111122000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 278025781 + ... + 278029780.

Almost surely, 2^{1112111122000} is an apocalyptic number.

1112111122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112111122000 is an abundant number, since it is smaller than the sum of its proper divisors (1576973575832).

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

1112111122000 is an equidigital number, since it uses as much as digits as its factorization.

1112111122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556055584 (or 556055568 counting only the distinct ones).

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

Adding to 1112111122000 its reverse (2211112111), we get a palindrome (1114322234111).

The spelling of 1112111122000 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand".