2100520127 has 2 divisors, whose sum is σ = 2100520128. Its totient is φ = 2100520126.

The previous prime is 2100520111. The next prime is 2100520157. The reversal of 2100520127 is 7210250012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100520127 - 2⁴ = 2100520111 is a prime.

It is a super-2 number, since 2×2100520127² = 8824369607864192258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100520099 and 2100520108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100520157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050260063 + 1050260064.

It is an arithmetic number, because the mean of its divisors is an integer number (1050260064).

Almost surely, 2^2100520127 is an apocalyptic number.

2100520127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100520127 is an equidigital number, since it uses as much as digits as its factorization.

2100520127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2100520127 is about 45831.4316490332. The cubic root of 2100520127 is about 1280.6848806727.

Adding to 2100520127 its reverse (7210250012), we get a palindrome (9310770139).

The spelling of 2100520127 in words is "two billion, one hundred million, five hundred twenty thousand, one hundred twenty-seven".