11112001121000 has 128 divisors (see below), whose sum is σ = 28420188975360. Its totient is φ = 4041655200000.

The previous prime is 11112001120999. The next prime is 11112001121027. The reversal of 11112001121000 is 12110021111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5507876 + ... + 7249875.

It is an arithmetic number, because the mean of its divisors is an integer number (222032726370).

Almost surely, 2^{11112001121000} is an apocalyptic number.

11112001121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112001121000 is an abundant number, since it is smaller than the sum of its proper divisors (17308187854360).

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

11112001121000 is a wasteful number, since it uses less digits than its factorization.

11112001121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757852 (or 12757838 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112001121000 its reverse (12110021111), we get a palindrome (11124111142111).

The spelling of 11112001121000 in words is "eleven trillion, one hundred twelve billion, one million, one hundred twenty-one thousand".