11020100 has 108 divisors (see below), whose sum is σ = 30130884. Its totient is φ = 3467520.

The previous prime is 11020091. The next prime is 11020109. The reversal of 11020100 is 102011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11020091) and next prime (11020109).

It can be written as a sum of positive squares in 6 ways, for example, as 103684 + 10916416 = 322^2 + 3304^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63614 + ... + 63786.

Almost surely, 2^11020100 is an apocalyptic number.

11020100 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 11020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15065442).

11020100 is an abundant number, since it is smaller than the sum of its proper divisors (19110784).

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

11020100 is a wasteful number, since it uses less digits than its factorization.

11020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 11020100 is about 3319.6535963862. The cubic root of 11020100 is about 222.5333872383.

Adding to 11020100 its reverse (102011), we get a palindrome (11122111).

The spelling of 11020100 in words is "eleven million, twenty thousand, one hundred".