210303123011 has 2 divisors, whose sum is σ = 210303123012. Its totient is φ = 210303123010.

The previous prime is 210303122969. The next prime is 210303123013. The reversal of 210303123011 is 110321303012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210303123011 - 2⁶ = 210303122947 is a prime.

It is a super-2 number, since 2×210303123011² (a number of 23 digits) contains 22 as substring.

Together with 210303123013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210303123013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105151561505 + 105151561506.

It is an arithmetic number, because the mean of its divisors is an integer number (105151561506).

Almost surely, 2^210303123011 is an apocalyptic number.

210303123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210303123011 is an equidigital number, since it uses as much as digits as its factorization.

210303123011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 210303123011 its reverse (110321303012), we get a palindrome (320624426023).

The spelling of 210303123011 in words is "two hundred ten billion, three hundred three million, one hundred twenty-three thousand, eleven".