111010020203 has 2 divisors, whose sum is σ = 111010020204. Its totient is φ = 111010020202.

The previous prime is 111010020193. The next prime is 111010020227. The reversal of 111010020203 is 302020010111.

It is a weak prime.

It is an emirp because it is prime and its reverse (302020010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010020203 - 2⁸ = 111010019947 is a prime.

It is a super-2 number, since 2×111010020203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111010020263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505010101 + 55505010102.

It is an arithmetic number, because the mean of its divisors is an integer number (55505010102).

Almost surely, 2^111010020203 is an apocalyptic number.

111010020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010020203 is an equidigital number, since it uses as much as digits as its factorization.

111010020203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111010020203 its reverse (302020010111), we get a palindrome (413030030314).

The spelling of 111010020203 in words is "one hundred eleven billion, ten million, twenty thousand, two hundred three".