1112121112000 has 112 divisors (see below), whose sum is σ = 2755086834240. Its totient is φ = 444700032000.

The previous prime is 1112121111953. The next prime is 1112121112043. The reversal of 1112121112000 is 2111212111.

It is a happy number.

It is a super-2 number, since 2×1112121112000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 25746421 + ... + 25789579.

Almost surely, 2^{1112121112000} is an apocalyptic number.

1112121112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112121112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377543417120).

1112121112000 is an abundant number, since it is smaller than the sum of its proper divisors (1642965722240).

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

1112121112000 is an equidigital number, since it uses as much as digits as its factorization.

1112121112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46407 (or 46387 counting only the distinct ones).

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

Adding to 1112121112000 its reverse (2111212111), we get a palindrome (1114232324111).

The spelling of 1112121112000 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twelve thousand".