1111020233321 has 4 divisors (see below), whose sum is σ = 1121806837632. Its totient is φ = 1100233629012.

The previous prime is 1111020233291. The next prime is 1111020233347. The reversal of 1111020233321 is 1233320201111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111020233321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1111020233293 and 1111020233302.

It is not an unprimeable number, because it can be changed into a prime (1111020233621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5393302001 + ... + 5393302206.

It is an arithmetic number, because the mean of its divisors is an integer number (280451709408).

Almost surely, 2^{1111020233321} is an apocalyptic number.

It is an amenable number.

1111020233321 is a deficient number, since it is larger than the sum of its proper divisors (10786604311).

1111020233321 is a wasteful number, since it uses less digits than its factorization.

1111020233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10786604310.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1111020233321 its reverse (1233320201111), we get a palindrome (2344340434432).

The spelling of 1111020233321 in words is "one trillion, one hundred eleven billion, twenty million, two hundred thirty-three thousand, three hundred twenty-one".