212102121110023 has 2 divisors, whose sum is σ = 212102121110024. Its totient is φ = 212102121110022.

The previous prime is 212102121109993. The next prime is 212102121110093. The reversal of 212102121110023 is 320011121201212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212102121110023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102121110093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051060555011 + 106051060555012.

It is an arithmetic number, because the mean of its divisors is an integer number (106051060555012).

Almost surely, 2^{212102121110023} is an apocalyptic number.

212102121110023 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102121110023 is an equidigital number, since it uses as much as digits as its factorization.

212102121110023 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 212102121110023 its reverse (320011121201212), we get a palindrome (532113242311235).

The spelling of 212102121110023 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-one million, one hundred ten thousand, twenty-three".