10144222421 has 2 divisors, whose sum is σ = 10144222422. Its totient is φ = 10144222420.

The previous prime is 10144222373. The next prime is 10144222453. The reversal of 10144222421 is 12422244101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9027660196 + 1116562225 = 95014^2 + 33415^2 .

It is an emirp because it is prime and its reverse (12422244101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10144222421 - 2⁶ = 10144222357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10144222021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072111210 + 5072111211.

It is an arithmetic number, because the mean of its divisors is an integer number (5072111211).

Almost surely, 2^10144222421 is an apocalyptic number.

It is an amenable number.

10144222421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10144222421 is an equidigital number, since it uses as much as digits as its factorization.

10144222421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10144222421 its reverse (12422244101), we get a palindrome (22566466522).

The spelling of 10144222421 in words is "ten billion, one hundred forty-four million, two hundred twenty-two thousand, four hundred twenty-one".