111320120031203 has 2 divisors, whose sum is σ = 111320120031204. Its totient is φ = 111320120031202.

The previous prime is 111320120031193. The next prime is 111320120031233. The reversal of 111320120031203 is 302130021023111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111320120031203 - 2⁴ = 111320120031187 is a prime.

It is a super-2 number, since 2×111320120031203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111320120031233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660060015601 + 55660060015602.

It is an arithmetic number, because the mean of its divisors is an integer number (55660060015602).

Almost surely, 2^{111320120031203} is an apocalyptic number.

111320120031203 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320120031203 is an equidigital number, since it uses as much as digits as its factorization.

111320120031203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111320120031203 its reverse (302130021023111), we get a palindrome (413450141054314).

The spelling of 111320120031203 in words is "one hundred eleven trillion, three hundred twenty billion, one hundred twenty million, thirty-one thousand, two hundred three".