1124223441421 has 2 divisors, whose sum is σ = 1124223441422. Its totient is φ = 1124223441420.

The previous prime is 1124223441413. The next prime is 1124223441427. The reversal of 1124223441421 is 1241443224211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109628385321 + 14595056100 = 1053389^2 + 120810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124223441421 - 2³ = 1124223441413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124223441427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562111720710 + 562111720711.

It is an arithmetic number, because the mean of its divisors is an integer number (562111720711).

Almost surely, 2^{1124223441421} is an apocalyptic number.

It is an amenable number.

1124223441421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124223441421 is an equidigital number, since it uses as much as digits as its factorization.

1124223441421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 31.

Adding to 1124223441421 its reverse (1241443224211), we get a palindrome (2365666665632).

The spelling of 1124223441421 in words is "one trillion, one hundred twenty-four billion, two hundred twenty-three million, four hundred forty-one thousand, four hundred twenty-one".