111201010243 has 2 divisors, whose sum is σ = 111201010244. Its totient is φ = 111201010242.

The previous prime is 111201010237. The next prime is 111201010331. The reversal of 111201010243 is 342010102111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111201010243 - 2⁵ = 111201010211 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201010223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600505121 + 55600505122.

It is an arithmetic number, because the mean of its divisors is an integer number (55600505122).

Almost surely, 2^111201010243 is an apocalyptic number.

111201010243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201010243 is an equidigital number, since it uses as much as digits as its factorization.

111201010243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111201010243 its reverse (342010102111), we get a palindrome (453211112354).

The spelling of 111201010243 in words is "one hundred eleven billion, two hundred one million, ten thousand, two hundred forty-three".