11112214021 has 8 divisors (see below), whose sum is σ = 11281010688. Its totient is φ = 10944570000.

The previous prime is 11112214013. The next prime is 11112214039. The reversal of 11112214021 is 12041221111.

11112214021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112214021 - 2³ = 11112214013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112213986 and 11112214004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112214121) 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 7 ways as a sum of consecutive naturals, for example, 268725 + ... + 307306.

It is an arithmetic number, because the mean of its divisors is an integer number (1410126336).

Almost surely, 2^11112214021 is an apocalyptic number.

It is an amenable number.

11112214021 is a deficient number, since it is larger than the sum of its proper divisors (168796667).

11112214021 is a wasteful number, since it uses less digits than its factorization.

11112214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576323.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112214021 its reverse (12041221111), we get a palindrome (23153435132).

The spelling of 11112214021 in words is "eleven billion, one hundred twelve million, two hundred fourteen thousand, twenty-one".