11122100000 has 144 divisors (see below), whose sum is σ = 29860088832. Its totient is φ = 4044000000.

The previous prime is 11122099999. The next prime is 11122100029. The reversal of 11122100000 is 122111.

11122100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11122100000² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1094945 + ... + 1105055.

It is an arithmetic number, because the mean of its divisors is an integer number (207361728).

Almost surely, 2^11122100000 is an apocalyptic number.

11122100000 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 11122100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14930044416).

11122100000 is an abundant number, since it is smaller than the sum of its proper divisors (18737988832).

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

11122100000 is an equidigital number, since it uses as much as digits as its factorization.

11122100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157 (or 10129 counting only the distinct ones).

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

Adding to 11122100000 its reverse (122111), we get a palindrome (11122222111).

The spelling of 11122100000 in words is "eleven billion, one hundred twenty-two million, one hundred thousand".