111033222031213 has 4 divisors (see below), whose sum is σ = 111049471594908. Its totient is φ = 111016972467520.

The previous prime is 111033222031129. The next prime is 111033222031217. The reversal of 111033222031213 is 312130222330111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62288430859204 + 48744791172009 = 7892302^2 + 6981747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111033222031213 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 (111033222031217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8124771598 + ... + 8124785263.

It is an arithmetic number, because the mean of its divisors is an integer number (27762367898727).

Almost surely, 2^{111033222031213} is an apocalyptic number.

It is an amenable number.

111033222031213 is a deficient number, since it is larger than the sum of its proper divisors (16249563695).

111033222031213 is an equidigital number, since it uses as much as digits as its factorization.

111033222031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16249563694.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111033222031213 its reverse (312130222330111), we get a palindrome (423163444361324).

The spelling of 111033222031213 in words is "one hundred eleven trillion, thirty-three billion, two hundred twenty-two million, thirty-one thousand, two hundred thirteen".