111312321210213 has 32 divisors (see below), whose sum is σ = 152253943142400. Its totient is φ = 72320615769600.

The previous prime is 111312321210199. The next prime is 111312321210239. The reversal of 111312321210213 is 312012123213111.

It is not a de Polignac number, because 111312321210213 - 2¹⁰ = 111312321209189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312321210253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4453818 + ... + 15571163.

It is an arithmetic number, because the mean of its divisors is an integer number (4757935723200).

Almost surely, 2^{111312321210213} is an apocalyptic number.

It is an amenable number.

111312321210213 is a deficient number, since it is larger than the sum of its proper divisors (40941621932187).

111312321210213 is a wasteful number, since it uses less digits than its factorization.

111312321210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025373.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 111312321210213 its reverse (312012123213111), we get a palindrome (423324444423324).

The spelling of 111312321210213 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred twenty-one million, two hundred ten thousand, two hundred thirteen".