11112001120000 has 270 divisors, whose sum is σ = 30465706590704. Its totient is φ = 4040720640000.

The previous prime is 11112001119959. The next prime is 11112001120021. The reversal of 11112001120000 is 2110021111.

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 29 ways as a sum of consecutive naturals, for example, 19073017 + ... + 19646983.

Almost surely, 2^{11112001120000} is an apocalyptic number.

11112001120000 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 11112001120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15232853295352).

11112001120000 is an abundant number, since it is smaller than the sum of its proper divisors (19353705470704).

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

11112001120000 is an frugal number, since it uses more digits than its factorization.

11112001120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574025 (or 573985 counting only the distinct ones).

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

Adding to 11112001120000 its reverse (2110021111), we get a palindrome (11114111141111).

The spelling of 11112001120000 in words is "eleven trillion, one hundred twelve billion, one million, one hundred twenty thousand".