11000121100 has 18 divisors (see below), whose sum is σ = 23870263004. Its totient is φ = 4400048400.

The previous prime is 11000121073. The next prime is 11000121101. The reversal of 11000121100 is 112100011.

It is not an unprimeable number, because it can be changed into a prime (11000121101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55000506 + ... + 55000705.

Almost surely, 2^11000121100 is an apocalyptic number.

11000121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000121100 is an abundant number, since it is smaller than the sum of its proper divisors (12870141904).

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

11000121100 is a wasteful number, since it uses less digits than its factorization.

11000121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110001225 (or 110001218 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11000121100 its reverse (112100011), we get a palindrome (11112221111).

The spelling of 11000121100 in words is "eleven billion, one hundred twenty-one thousand, one hundred".