11211001018 has 32 divisors (see below), whose sum is σ = 19902009600. Its totient is φ = 4634267904.

The previous prime is 11211001007. The next prime is 11211001049. The reversal of 11211001018 is 81010011211.

11211001018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11211001018³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211000992 and 11211001010.

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 15 ways as a sum of consecutive naturals, for example, 395971 + ... + 423337.

It is an arithmetic number, because the mean of its divisors is an integer number (621937800).

Almost surely, 2^11211001018 is an apocalyptic number.

11211001018 is a deficient number, since it is larger than the sum of its proper divisors (8691008582).

11211001018 is a wasteful number, since it uses less digits than its factorization.

11211001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28414.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11211001018 its reverse (81010011211), we get a palindrome (92221012229).

The spelling of 11211001018 in words is "eleven billion, two hundred eleven million, one thousand, eighteen".