11210120100 has 108 divisors (see below), whose sum is σ = 35800622676. Its totient is φ = 2932949760.

The previous prime is 11210120057. The next prime is 11210120113. The reversal of 11210120100 is 102101211.

It is a happy number.

11210120100 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 114447204 + 11095672896 = 10698^2 + 105336^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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 35 ways as a sum of consecutive naturals, for example, 69807 + ... + 165206.

It is an arithmetic number, because the mean of its divisors is an integer number (331487247).

Almost surely, 2^11210120100 is an apocalyptic number.

11210120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210120100 is an abundant number, since it is smaller than the sum of its proper divisors (24590502576).

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

11210120100 is a wasteful number, since it uses less digits than its factorization.

11210120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235086 (or 235076 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11210120100 its reverse (102101211), we get a palindrome (11312221311).

The spelling of 11210120100 in words is "eleven billion, two hundred ten million, one hundred twenty thousand, one hundred".