111301111321 has 2 divisors, whose sum is σ = 111301111322. Its totient is φ = 111301111320.

The previous prime is 111301111303. The next prime is 111301111367. The reversal of 111301111321 is 123111103111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110652696025 + 648415296 = 332645^2 + 25464^2 .

It is a cyclic number.

It is not a de Polignac number, because 111301111321 - 2¹⁷ = 111300980249 is a prime.

It is a super-4 number, since 4×111301111321⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111301111295 and 111301111304.

It is not a weakly prime, because it can be changed into another prime (111301111381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55650555660 + 55650555661.

It is an arithmetic number, because the mean of its divisors is an integer number (55650555661).

Almost surely, 2^111301111321 is an apocalyptic number.

It is an amenable number.

111301111321 is a deficient number, since it is larger than the sum of its proper divisors (1).

111301111321 is an equidigital number, since it uses as much as digits as its factorization.

111301111321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 111301111321 its reverse (123111103111), we get a palindrome (234412214432).

The spelling of 111301111321 in words is "one hundred eleven billion, three hundred one million, one hundred eleven thousand, three hundred twenty-one".