111022133213 has 8 divisors (see below), whose sum is σ = 111419100600. Its totient is φ = 110625435648.

The previous prime is 111022133179. The next prime is 111022133219. The reversal of 111022133213 is 312331220111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2004621529 + 109017511684 = 44773^2 + 330178^2 .

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 111022133213 - 2²⁰ = 111021084637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022133219) 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, 775703 + ... + 907611.

It is an arithmetic number, because the mean of its divisors is an integer number (13927387575).

Almost surely, 2^111022133213 is an apocalyptic number.

It is an amenable number.

111022133213 is a deficient number, since it is larger than the sum of its proper divisors (396967387).

111022133213 is a wasteful number, since it uses less digits than its factorization.

111022133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134911.

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

Adding to 111022133213 its reverse (312331220111), we get a palindrome (423353353324).

The spelling of 111022133213 in words is "one hundred eleven billion, twenty-two million, one hundred thirty-three thousand, two hundred thirteen".