221410220123 has 2 divisors, whose sum is σ = 221410220124. Its totient is φ = 221410220122.

The previous prime is 221410220093. The next prime is 221410220147. The reversal of 221410220123 is 321022014122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221410220123 - 2¹⁴ = 221410203739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221410220095 and 221410220104.

It is not a weakly prime, because it can be changed into another prime (221410220623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110705110061 + 110705110062.

It is an arithmetic number, because the mean of its divisors is an integer number (110705110062).

Almost surely, 2^221410220123 is an apocalyptic number.

221410220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

221410220123 is an equidigital number, since it uses as much as digits as its factorization.

221410220123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221410220123 its reverse (321022014122), we get a palindrome (542432234245).

The spelling of 221410220123 in words is "two hundred twenty-one billion, four hundred ten million, two hundred twenty thousand, one hundred twenty-three".