111001320203 has 2 divisors, whose sum is σ = 111001320204. Its totient is φ = 111001320202.

The previous prime is 111001320173. The next prime is 111001320217. The reversal of 111001320203 is 302023100111.

It is an a-pointer prime, because the next prime (111001320217) can be obtained adding 111001320203 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111001320203 - 2⁶ = 111001320139 is a prime.

It is a super-2 number, since 2×111001320203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111001320223) 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, 55500660101 + 55500660102.

It is an arithmetic number, because the mean of its divisors is an integer number (55500660102).

Almost surely, 2^111001320203 is an apocalyptic number.

111001320203 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001320203 is an equidigital number, since it uses as much as digits as its factorization.

111001320203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 111001320203 its reverse (302023100111), we get a palindrome (413024420314).

The spelling of 111001320203 in words is "one hundred eleven billion, one million, three hundred twenty thousand, two hundred three".