111321120312213 has 16 divisors (see below), whose sum is σ = 169645645539456. Its totient is φ = 63607020422400.

The previous prime is 111321120312173. The next prime is 111321120312239. The reversal of 111321120312213 is 312213021123111.

It is not a de Polignac number, because 111321120312213 - 2²⁸ = 111320851876757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321120312253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210076056 + ... + 210605297.

It is an arithmetic number, because the mean of its divisors is an integer number (10602852846216).

Almost surely, 2^{111321120312213} is an apocalyptic number.

It is an amenable number.

111321120312213 is a deficient number, since it is larger than the sum of its proper divisors (58324525227243).

111321120312213 is a wasteful number, since it uses less digits than its factorization.

111321120312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420693964.

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

Adding to 111321120312213 its reverse (312213021123111), we get a palindrome (423534141435324).

The spelling of 111321120312213 in words is "one hundred eleven trillion, three hundred twenty-one billion, one hundred twenty million, three hundred twelve thousand, two hundred thirteen".