10101120203 has 2 divisors, whose sum is σ = 10101120204. Its totient is φ = 10101120202.

The previous prime is 10101120187. The next prime is 10101120241. The reversal of 10101120203 is 30202110101.

10101120203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10101120203 - 2⁴ = 10101120187 is a prime.

It is a super-2 number, since 2×10101120203² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10101128203) 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, 5050560101 + 5050560102.

It is an arithmetic number, because the mean of its divisors is an integer number (5050560102).

Almost surely, 2^10101120203 is an apocalyptic number.

10101120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101120203 is an equidigital number, since it uses as much as digits as its factorization.

10101120203 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 10101120203 its reverse (30202110101), we get a palindrome (40303230304).

The spelling of 10101120203 in words is "ten billion, one hundred one million, one hundred twenty thousand, two hundred three".