4102210444421 has 2 divisors, whose sum is σ = 4102210444422. Its totient is φ = 4102210444420.

The previous prime is 4102210444379. The next prime is 4102210444459. The reversal of 4102210444421 is 1244440122014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387194953025 + 1715015491396 = 1545055^2 + 1309586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102210444421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4102210474421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051105222210 + 2051105222211.

It is an arithmetic number, because the mean of its divisors is an integer number (2051105222211).

Almost surely, 2^{4102210444421} is an apocalyptic number.

It is an amenable number.

4102210444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102210444421 is an equidigital number, since it uses as much as digits as its factorization.

4102210444421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 4102210444421 its reverse (1244440122014), we get a palindrome (5346650566435).

The spelling of 4102210444421 in words is "four trillion, one hundred two billion, two hundred ten million, four hundred forty-four thousand, four hundred twenty-one".