11022201100 has 72 divisors (see below), whose sum is σ = 24824036160. Its totient is φ = 4242900480.

The previous prime is 11022201097. The next prime is 11022201103. The reversal of 11022201100 is 110222011.

It is an interprime number because it is at equal distance from previous prime (11022201097) and next prime (11022201103).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11022201103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901629 + ... + 913771.

It is an arithmetic number, because the mean of its divisors is an integer number (344778280).

Almost surely, 2^11022201100 is an apocalyptic number.

11022201100 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 11022201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12412018080).

11022201100 is an abundant number, since it is smaller than the sum of its proper divisors (13801835060).

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

11022201100 is a wasteful number, since it uses less digits than its factorization.

11022201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12499 (or 12492 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11022201100 its reverse (110222011), we get a palindrome (11132423111).

11022201100 divided by its reverse (110222011) gives a square (100 = 10²).

The spelling of 11022201100 in words is "eleven billion, twenty-two million, two hundred one thousand, one hundred".