210122111010023 has 2 divisors, whose sum is σ = 210122111010024. Its totient is φ = 210122111010022.

The previous prime is 210122111010001. The next prime is 210122111010043. The reversal of 210122111010023 is 320010111221012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210122111010023 - 2¹² = 210122111005927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210122111009983 and 210122111010010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210122111010043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061055505011 + 105061055505012.

It is an arithmetic number, because the mean of its divisors is an integer number (105061055505012).

Almost surely, 2^{210122111010023} is an apocalyptic number.

210122111010023 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122111010023 is an equidigital number, since it uses as much as digits as its factorization.

210122111010023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210122111010023 its reverse (320010111221012), we get a palindrome (530132222231035).

The spelling of 210122111010023 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred eleven million, ten thousand, twenty-three".