22102101212123 has 2 divisors, whose sum is σ = 22102101212124. Its totient is φ = 22102101212122.

The previous prime is 22102101212101. The next prime is 22102101212159. The reversal of 22102101212123 is 32121210120122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22102101212123 - 2¹⁸ = 22102100949979 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 22102101212095 and 22102101212104.

It is not a weakly prime, because it can be changed into another prime (22102101212423) 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, 11051050606061 + 11051050606062.

It is an arithmetic number, because the mean of its divisors is an integer number (11051050606062).

Almost surely, 2^{22102101212123} is an apocalyptic number.

22102101212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102101212123 is an equidigital number, since it uses as much as digits as its factorization.

22102101212123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22102101212123 its reverse (32121210120122), we get a palindrome (54223311332245).

The spelling of 22102101212123 in words is "twenty-two trillion, one hundred two billion, one hundred one million, two hundred twelve thousand, one hundred twenty-three".