1122110000 has 150 divisors (see below), whose sum is σ = 2993351196. Its totient is φ = 404000000.

The previous prime is 1122109997. The next prime is 1122110023. The reversal of 1122110000 is 112211.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1122110000.

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, 11109950 + ... + 11110050.

Almost surely, 2^1122110000 is an apocalyptic number.

1122110000 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 1122110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496675598).

1122110000 is an abundant number, since it is smaller than the sum of its proper divisors (1871241196).

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

1122110000 is an equidigital number, since it uses as much as digits as its factorization.

1122110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 119 counting only the distinct ones).

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

The square root of 1122110000 is about 33497.9103825895. The cubic root of 1122110000 is about 1039.1505637951.

Adding to 1122110000 its reverse (112211), we get a palindrome (1122222211).

Multiplying 1122110000 by its reverse (112211), we get a square (125913085210000 = 11221100²).

1122110000 divided by its reverse (112211) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 112 and 2110000, that added together give a palindrome (2110112).

The spelling of 1122110000 in words is "one billion, one hundred twenty-two million, one hundred ten thousand".