11112012321 has 16 divisors (see below), whose sum is σ = 14864449536. Its totient is φ = 7383818576.

The previous prime is 11112012283. The next prime is 11112012349. The reversal of 11112012321 is 12321021111.

It is a cyclic number.

It is not a de Polignac number, because 11112012321 - 2¹⁰ = 11112011297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112012321.

It is not an unprimeable number, because it can be changed into a prime (11112012371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920006 + ... + 2923808.

It is an arithmetic number, because the mean of its divisors is an integer number (929028096).

Almost surely, 2^11112012321 is an apocalyptic number.

It is an amenable number.

11112012321 is a deficient number, since it is larger than the sum of its proper divisors (3752437215).

11112012321 is a wasteful number, since it uses less digits than its factorization.

11112012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11112012321 its reverse (12321021111), we get a palindrome (23433033432).

The spelling of 11112012321 in words is "eleven billion, one hundred twelve million, twelve thousand, three hundred twenty-one".