111321213301 has 4 divisors (see below), whose sum is σ = 111324667212. Its totient is φ = 111317759392.

The previous prime is 111321213299. The next prime is 111321213329. The reversal of 111321213301 is 103312123111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103312123111 = 19843 ⋅5206477.

It can be written as a sum of positive squares in 2 ways, for example, as 6475420900 + 104845792401 = 80470^2 + 323799^2 .

It is a cyclic number.

It is not a de Polignac number, because 111321213301 - 2¹ = 111321213299 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 (111321211301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678150 + ... + 1743223.

It is an arithmetic number, because the mean of its divisors is an integer number (27831166803).

Almost surely, 2^111321213301 is an apocalyptic number.

It is an amenable number.

111321213301 is a deficient number, since it is larger than the sum of its proper divisors (3453911).

111321213301 is an equidigital number, since it uses as much as digits as its factorization.

111321213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453910.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111321213301 its reverse (103312123111), we get a palindrome (214633336412).

The spelling of 111321213301 in words is "one hundred eleven billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred one".