221124141421123 has 2 divisors, whose sum is σ = 221124141421124. Its totient is φ = 221124141421122.

The previous prime is 221124141421097. The next prime is 221124141421133. The reversal of 221124141421123 is 321124141421122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221124141421123 - 2³⁷ = 220986702467651 is a prime.

It is a super-2 number, since 2×221124141421123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221124141421133) 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, 110562070710561 + 110562070710562.

It is an arithmetic number, because the mean of its divisors is an integer number (110562070710562).

Almost surely, 2^{221124141421123} is an apocalyptic number.

221124141421123 is a deficient number, since it is larger than the sum of its proper divisors (1).

221124141421123 is an equidigital number, since it uses as much as digits as its factorization.

221124141421123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 31.

Adding to 221124141421123 its reverse (321124141421122), we get a palindrome (542248282842245).

Subtracting 221124141421123 from its reverse (321124141421122), we obtain a palindrome (99999999999999).

The spelling of 221124141421123 in words is "two hundred twenty-one trillion, one hundred twenty-four billion, one hundred forty-one million, four hundred twenty-one thousand, one hundred twenty-three".