11000121030 has 64 divisors (see below), whose sum is σ = 29382897600. Its totient is φ = 2928441600.

The previous prime is 11000121019. The next prime is 11000121043. The reversal of 11000121030 is 3012100011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128376 + ... + 196164.

It is an arithmetic number, because the mean of its divisors is an integer number (459107775).

Almost surely, 2^11000121030 is an apocalyptic number.

11000121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000121030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14691448800).

11000121030 is an abundant number, since it is smaller than the sum of its proper divisors (18382776570).

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

11000121030 is a wasteful number, since it uses less digits than its factorization.

11000121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68406 (or 68400 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11000121030 its reverse (3012100011), we get a palindrome (14012221041).

The spelling of 11000121030 in words is "eleven billion, one hundred twenty-one thousand, thirty".