2101125011 has 2 divisors, whose sum is σ = 2101125012. Its totient is φ = 2101125010.

The previous prime is 2101124981. The next prime is 2101125043. The reversal of 2101125011 is 1105211012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101125011 - 2²² = 2096930707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101125071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050562505 + 1050562506.

It is an arithmetic number, because the mean of its divisors is an integer number (1050562506).

Almost surely, 2^2101125011 is an apocalyptic number.

2101125011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101125011 is an equidigital number, since it uses as much as digits as its factorization.

2101125011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 2101125011 is about 45838.0301823715. The cubic root of 2101125011 is about 1280.8078012509.

Adding to 2101125011 its reverse (1105211012), we get a palindrome (3206336023).

The spelling of 2101125011 in words is "two billion, one hundred one million, one hundred twenty-five thousand, eleven".