1112121010000 has 800 divisors, whose sum is σ = 3638055649536. Its totient is φ = 317952000000.

The previous prime is 1112121009973. The next prime is 1112121010057. The reversal of 1112121010000 is 101212111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2412409770 + ... + 2412410230.

Almost surely, 2^{1112121010000} is an apocalyptic number.

1112121010000 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 1112121010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819027824768).

1112121010000 is an abundant number, since it is smaller than the sum of its proper divisors (2525934639536).

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

1112121010000 is a wasteful number, since it uses less digits than its factorization.

1112121010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1112121010000 its reverse (101212111), we get a palindrome (1112222222111).

The spelling of 1112121010000 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, ten thousand".