1110122000 has 80 divisors (see below), whose sum is σ = 2890825392. Its totient is φ = 409881600.

The previous prime is 1110121963. The next prime is 1110122003. The reversal of 1110122000 is 2210111.

It can be written as a sum of positive squares in 8 ways, for example, as 790284544 + 319837456 = 28112^2 + 17884^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1110122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4652 + ... + 47348.

Almost surely, 2^1110122000 is an apocalyptic number.

1110122000 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 1110122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445412696).

1110122000 is an abundant number, since it is smaller than the sum of its proper divisors (1780703392).

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

1110122000 is a wasteful number, since it uses less digits than its factorization.

1110122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733 (or 42717 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1110122000 is about 33318.4933632960. The cubic root of 1110122000 is about 1035.4367375885.

Adding to 1110122000 its reverse (2210111), we get a palindrome (1112332111).

The spelling of 1110122000 in words is "one billion, one hundred ten million, one hundred twenty-two thousand".