2102244451 has 2 divisors, whose sum is σ = 2102244452. Its totient is φ = 2102244450.

The previous prime is 2102244433. The next prime is 2102244527. The reversal of 2102244451 is 1544422012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102244451 - 2¹⁹ = 2101720163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102241451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051122225 + 1051122226.

It is an arithmetic number, because the mean of its divisors is an integer number (1051122226).

Almost surely, 2^2102244451 is an apocalyptic number.

2102244451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102244451 is an equidigital number, since it uses as much as digits as its factorization.

2102244451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2102244451 is about 45850.2393777830. The cubic root of 2102244451 is about 1281.0352243252.

Adding to 2102244451 its reverse (1544422012), we get a palindrome (3646666463).

The spelling of 2102244451 in words is "two billion, one hundred two million, two hundred forty-four thousand, four hundred fifty-one".