11213112012321 has 32 divisors (see below), whose sum is σ = 15142329368320. Its totient is φ = 7380164772864.

The previous prime is 11213112012251. The next prime is 11213112012373. The reversal of 11213112012321 is 12321021131211.

It is not a de Polignac number, because 11213112012321 - 2⁹ = 11213112011809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213112012521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267831636 + ... + 267873498.

It is an arithmetic number, because the mean of its divisors is an integer number (473197792760).

Almost surely, 2^{11213112012321} is an apocalyptic number.

It is an amenable number.

11213112012321 is a deficient number, since it is larger than the sum of its proper divisors (3929217355999).

11213112012321 is a wasteful number, since it uses less digits than its factorization.

11213112012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44905.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11213112012321 its reverse (12321021131211), we get a palindrome (23534133143532).

The spelling of 11213112012321 in words is "eleven trillion, two hundred thirteen billion, one hundred twelve million, twelve thousand, three hundred twenty-one".