1111322121213 has 8 divisors (see below), whose sum is σ = 1481806119168. Its totient is φ = 740859768704.

The previous prime is 1111322121209. The next prime is 1111322121233. The reversal of 1111322121213 is 3121212231111.

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 1111322121213 - 2² = 1111322121209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111322121213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111322121233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5291181 + ... + 5497202.

It is an arithmetic number, because the mean of its divisors is an integer number (185225764896).

Almost surely, 2^{1111322121213} is an apocalyptic number.

It is an amenable number.

1111322121213 is a deficient number, since it is larger than the sum of its proper divisors (370483997955).

1111322121213 is a wasteful number, since it uses less digits than its factorization.

1111322121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10822723.

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

Adding to 1111322121213 its reverse (3121212231111), we get a palindrome (4232534352324).

The spelling of 1111322121213 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred thirteen".