11112200001 has 32 divisors (see below), whose sum is σ = 18986950400. Its totient is φ = 6291561600.

The previous prime is 11112199997. The next prime is 11112200009. The reversal of 11112200001 is 10000221111.

It is a happy number.

11112200001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112200001 - 2² = 11112199997 is a prime.

It is a super-3 number, since 3×11112200001³ (a number of 31 digits) contains 333 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112200009) 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 31 ways as a sum of consecutive naturals, for example, 249100 + ... + 290301.

It is an arithmetic number, because the mean of its divisors is an integer number (593342200).

Almost surely, 2^11112200001 is an apocalyptic number.

It is an amenable number.

11112200001 is a deficient number, since it is larger than the sum of its proper divisors (7874750399).

11112200001 is a wasteful number, since it uses less digits than its factorization.

11112200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539526 (or 539520 counting only the distinct ones).

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

Adding to 11112200001 its reverse (10000221111), we get a palindrome (21112421112).

The spelling of 11112200001 in words is "eleven billion, one hundred twelve million, two hundred thousand, one".