11122000000 has 224 divisors, whose sum is σ = 28448073360. Its totient is φ = 4329600000.

The previous prime is 11121999997. The next prime is 11122000033. The reversal of 11122000000 is 22111.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 133999959 + ... + 134000041.

Almost surely, 2^11122000000 is an apocalyptic number.

11122000000 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 11122000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14224036680).

11122000000 is an abundant number, since it is smaller than the sum of its proper divisors (17326073360).

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

11122000000 is an frugal number, since it uses more digits than its factorization.

11122000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11122000000 its reverse (22111), we get a palindrome (11122022111).

The spelling of 11122000000 in words is "eleven billion, one hundred twenty-two million", and thus it is an aban number.