11021331400 has 48 divisors (see below), whose sum is σ = 25717232340. Its totient is φ = 4392595200.

The previous prime is 11021331331. The next prime is 11021331403. The reversal of 11021331400 is 413312011.

It can be written as a sum of positive squares in 6 ways, for example, as 6180789924 + 4840541476 = 78618^2 + 69574^2 .

It is not an unprimeable number, because it can be changed into a prime (11021331403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44071 + ... + 154870.

Almost surely, 2^11021331400 is an apocalyptic number.

11021331400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021331400 is an abundant number, since it is smaller than the sum of its proper divisors (14695900940).

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

11021331400 is a wasteful number, since it uses less digits than its factorization.

11021331400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199234 (or 199225 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11021331400 its reverse (413312011), we get a palindrome (11434643411).

The spelling of 11021331400 in words is "eleven billion, twenty-one million, three hundred thirty-one thousand, four hundred".