2100221341 has 2 divisors, whose sum is σ = 2100221342. Its totient is φ = 2100221340.

The previous prime is 2100221339. The next prime is 2100221369. The reversal of 2100221341 is 1431220012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005158841 + 95062500 = 44779^2 + 9750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100221341 - 2¹ = 2100221339 is a prime.

Together with 2100221339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100221741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050110670 + 1050110671.

It is an arithmetic number, because the mean of its divisors is an integer number (1050110671).

Almost surely, 2^2100221341 is an apocalyptic number.

It is an amenable number.

2100221341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100221341 is an equidigital number, since it uses as much as digits as its factorization.

2100221341 is an evil number, because the sum of its binary digits is even.

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

The square root of 2100221341 is about 45828.1719142276. The cubic root of 2100221341 is about 1280.6241546248.

Adding to 2100221341 its reverse (1431220012), we get a palindrome (3531441353).

The spelling of 2100221341 in words is "two billion, one hundred million, two hundred twenty-one thousand, three hundred forty-one".