112011121000 has 64 divisors (see below), whose sum is σ = 264701370960. Its totient is φ = 44360800000.

The previous prime is 112011120959. The next prime is 112011121003. The reversal of 112011121000 is 121110211.

It can be written as a sum of positive squares in 8 ways, for example, as 8287189156 + 103723931844 = 91034^2 + 322062^2 .

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

It is not an unprimeable number, because it can be changed into a prime (112011121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453511 + ... + 655510.

Almost surely, 2^112011121000 is an apocalyptic number.

112011121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112011121000 is an abundant number, since it is smaller than the sum of its proper divisors (152690249960).

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

112011121000 is a wasteful number, since it uses less digits than its factorization.

112011121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109143 (or 1109129 counting only the distinct ones).

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

Adding to 112011121000 its reverse (121110211), we get a palindrome (112132231211).

The spelling of 112011121000 in words is "one hundred twelve billion, eleven million, one hundred twenty-one thousand".