2102323011 has 16 divisors (see below), whose sum is σ = 2873179680. Its totient is φ = 1366548480.

The previous prime is 2102322997. The next prime is 2102323043. The reversal of 2102323011 is 1103232012.

It is not a de Polignac number, because 2102323011 - 2⁷ = 2102322883 is a prime.

It is a super-2 number, since 2×2102323011² = 8839524085160212242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102323051) 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 in 15 ways as a sum of consecutive naturals, for example, 255855 + ... + 263943.

It is an arithmetic number, because the mean of its divisors is an integer number (179573730).

Almost surely, 2^2102323011 is an apocalyptic number.

2102323011 is a deficient number, since it is larger than the sum of its proper divisors (770856669).

2102323011 is a wasteful number, since it uses less digits than its factorization.

2102323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2102323011 is about 45851.0960719588. The cubic root of 2102323011 is about 1281.0511813775.

Adding to 2102323011 its reverse (1103232012), we get a palindrome (3205555023).

Subtracting from 2102323011 its reverse (1103232012), we obtain a palindrome (999090999).

The spelling of 2102323011 in words is "two billion, one hundred two million, three hundred twenty-three thousand, eleven".