2123041011 has 32 divisors (see below), whose sum is σ = 3541106688. Its totient is φ = 1101479040.

The previous prime is 2123040991. The next prime is 2123041043. The reversal of 2123041011 is 1101403212.

It is not a de Polignac number, because 2123041011 - 2⁷ = 2123040883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123041411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47091 + ... + 80396.

It is an arithmetic number, because the mean of its divisors is an integer number (110659584).

Almost surely, 2^2123041011 is an apocalyptic number.

2123041011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2123041011 is a deficient number, since it is larger than the sum of its proper divisors (1418065677).

2123041011 is a wasteful number, since it uses less digits than its factorization.

2123041011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127571.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2123041011 is about 46076.4691681123. The cubic root of 2123041011 is about 1285.2456062302.

Adding to 2123041011 its reverse (1101403212), we get a palindrome (3224444223).

The spelling of 2123041011 in words is "two billion, one hundred twenty-three million, forty-one thousand, eleven".