101111123203 has 2 divisors, whose sum is σ = 101111123204. Its totient is φ = 101111123202.

The previous prime is 101111123153. The next prime is 101111123207. The reversal of 101111123203 is 302321111101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101111123203 - 2¹⁷ = 101110992131 is a prime.

It is not a weakly prime, because it can be changed into another prime (101111123207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555561601 + 50555561602.

It is an arithmetic number, because the mean of its divisors is an integer number (50555561602).

Almost surely, 2^101111123203 is an apocalyptic number.

101111123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111123203 is an equidigital number, since it uses as much as digits as its factorization.

101111123203 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 16.

Adding to 101111123203 its reverse (302321111101), we get a palindrome (403432234304).

The spelling of 101111123203 in words is "one hundred one billion, one hundred eleven million, one hundred twenty-three thousand, two hundred three".