111322231201 has 2 divisors, whose sum is σ = 111322231202. Its totient is φ = 111322231200.

The previous prime is 111322231177. The next prime is 111322231277. The reversal of 111322231201 is 102132223111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72748878400 + 38573352801 = 269720^2 + 196401^2 .

It is a cyclic number.

It is not a de Polignac number, because 111322231201 - 2⁷ = 111322231073 is a prime.

It is not a weakly prime, because it can be changed into another prime (111322231291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55661115600 + 55661115601.

It is an arithmetic number, because the mean of its divisors is an integer number (55661115601).

Almost surely, 2^111322231201 is an apocalyptic number.

It is an amenable number.

111322231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111322231201 is an equidigital number, since it uses as much as digits as its factorization.

111322231201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111322231201 its reverse (102132223111), we get a palindrome (213454454312).

The spelling of 111322231201 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred one".