11200021110 has 48 divisors (see below), whose sum is σ = 29180960640. Its totient is φ = 2980425600.

The previous prime is 11200021069. The next prime is 11200021111. The reversal of 11200021110 is 1112000211.

It is a happy number.

11200021110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11200021092 and 11200021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200021111) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 86791 + ... + 173010.

It is an arithmetic number, because the mean of its divisors is an integer number (607936680).

Almost surely, 2^11200021110 is an apocalyptic number.

11200021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11200021110 is an abundant number, since it is smaller than the sum of its proper divisors (17980939530).

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

11200021110 is a wasteful number, since it uses less digits than its factorization.

11200021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260293 (or 260290 counting only the distinct ones).

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

Adding to 11200021110 its reverse (1112000211), we get a palindrome (12312021321).

The spelling of 11200021110 in words is "eleven billion, two hundred million, twenty-one thousand, one hundred ten".