210111022121023 has 2 divisors, whose sum is σ = 210111022121024. Its totient is φ = 210111022121022.

The previous prime is 210111022120931. The next prime is 210111022121059. The reversal of 210111022121023 is 320121220111012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210111022121023 - 2⁴⁵ = 174926650032191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210111022121083) 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, 105055511060511 + 105055511060512.

It is an arithmetic number, because the mean of its divisors is an integer number (105055511060512).

Almost surely, 2^{210111022121023} is an apocalyptic number.

210111022121023 is a deficient number, since it is larger than the sum of its proper divisors (1).

210111022121023 is an equidigital number, since it uses as much as digits as its factorization.

210111022121023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 210111022121023 its reverse (320121220111012), we get a palindrome (530232242232035).

The spelling of 210111022121023 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, one hundred twenty-one thousand, twenty-three".