11220102100 has 36 divisors (see below), whose sum is σ = 24746776348. Its totient is φ = 4414464000.

The previous prime is 11220102083. The next prime is 11220102139. The reversal of 11220102100 is 120102211.

11220102100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 54375876 + 11165726224 = 7374^2 + 105668^2 .

It is a super-2 number, since 2×11220102100² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913581 + ... + 925780.

Almost surely, 2^11220102100 is an apocalyptic number.

11220102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220102100 is an abundant number, since it is smaller than the sum of its proper divisors (13526674248).

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

11220102100 is a wasteful number, since it uses less digits than its factorization.

11220102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839436 (or 1839429 counting only the distinct ones).

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

Adding to 11220102100 its reverse (120102211), we get a palindrome (11340204311).

The spelling of 11220102100 in words is "eleven billion, two hundred twenty million, one hundred two thousand, one hundred".