111322203213 has 32 divisors (see below), whose sum is σ = 168509577600. Its totient is φ = 64804237056.

The previous prime is 111322203199. The next prime is 111322203259. The reversal of 111322203213 is 312302223111.

It is not a de Polignac number, because 111322203213 - 2⁹ = 111322202701 is a prime.

It is a super-4 number, since 4×111322203213⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111322203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111322203913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390703 + ... + 612611.

It is an arithmetic number, because the mean of its divisors is an integer number (5265924300).

Almost surely, 2^111322203213 is an apocalyptic number.

111322203213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111322203213 is a deficient number, since it is larger than the sum of its proper divisors (57187374387).

111322203213 is a wasteful number, since it uses less digits than its factorization.

111322203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222621.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111322203213 its reverse (312302223111), we get a palindrome (423624426324).

The spelling of 111322203213 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred three thousand, two hundred thirteen".