2201310421 has 2 divisors, whose sum is σ = 2201310422. Its totient is φ = 2201310420.

The previous prime is 2201310409. The next prime is 2201310443. The reversal of 2201310421 is 1240131022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1658932900 + 542377521 = 40730^2 + 23289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201310421 - 2⁵ = 2201310389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201310395 and 2201310404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201310451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100655210 + 1100655211.

It is an arithmetic number, because the mean of its divisors is an integer number (1100655211).

Almost surely, 2^2201310421 is an apocalyptic number.

It is an amenable number.

2201310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201310421 is an equidigital number, since it uses as much as digits as its factorization.

2201310421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2201310421 is about 46918.1246534855. The cubic root of 2201310421 is about 1300.8496262552.

Adding to 2201310421 its reverse (1240131022), we get a palindrome (3441441443).

The spelling of 2201310421 in words is "two billion, two hundred one million, three hundred ten thousand, four hundred twenty-one".