2102103011 has 2 divisors, whose sum is σ = 2102103012. Its totient is φ = 2102103010.

The previous prime is 2102103007. The next prime is 2102103043. The reversal of 2102103011 is 1103012012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102103011 - 2² = 2102103007 is a prime.

It is a super-2 number, since 2×2102103011² = 8837674137710532242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102102983 and 2102103001.

It is not a weakly prime, because it can be changed into another prime (2102103071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051051505 + 1051051506.

It is an arithmetic number, because the mean of its divisors is an integer number (1051051506).

Almost surely, 2^2102103011 is an apocalyptic number.

2102103011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102103011 is an equidigital number, since it uses as much as digits as its factorization.

2102103011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2102103011 is about 45848.6969389535. The cubic root of 2102103011 is about 1281.0064941291.

Adding to 2102103011 its reverse (1103012012), we get a palindrome (3205115023).

Subtracting from 2102103011 its reverse (1103012012), we obtain a palindrome (999090999).

The spelling of 2102103011 in words is "two billion, one hundred two million, one hundred three thousand, eleven".