2101130651 has 2 divisors, whose sum is σ = 2101130652. Its totient is φ = 2101130650.

The previous prime is 2101130611. The next prime is 2101130683. The reversal of 2101130651 is 1560311012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101130651 - 2³⁰ = 1027388827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2101130611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050565325 + 1050565326.

It is an arithmetic number, because the mean of its divisors is an integer number (1050565326).

Almost surely, 2^2101130651 is an apocalyptic number.

2101130651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101130651 is an equidigital number, since it uses as much as digits as its factorization.

2101130651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2101130651 is about 45838.0917032985. The cubic root of 2101130651 is about 1280.8089472638.

Adding to 2101130651 its reverse (1560311012), we get a palindrome (3661441663).

The spelling of 2101130651 in words is "two billion, one hundred one million, one hundred thirty thousand, six hundred fifty-one".