124441310221 has 2 divisors, whose sum is σ = 124441310222. Its totient is φ = 124441310220.

The previous prime is 124441310159. The next prime is 124441310239. The reversal of 124441310221 is 122013144421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119747142025 + 4694168196 = 346045^2 + 68514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124441310221 is a prime.

It is a super-4 number, since 4×124441310221⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124441310251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62220655110 + 62220655111.

It is an arithmetic number, because the mean of its divisors is an integer number (62220655111).

Almost surely, 2^124441310221 is an apocalyptic number.

It is an amenable number.

124441310221 is a deficient number, since it is larger than the sum of its proper divisors (1).

124441310221 is an equidigital number, since it uses as much as digits as its factorization.

124441310221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 124441310221 its reverse (122013144421), we get a palindrome (246454454642).

The spelling of 124441310221 in words is "one hundred twenty-four billion, four hundred forty-one million, three hundred ten thousand, two hundred twenty-one".