2123122106 has 16 divisors (see below), whose sum is σ = 3728410560. Its totient is φ = 887716320.

The previous prime is 2123122097. The next prime is 2123122181. The reversal of 2123122106 is 6012213212.

It is a super-3 number, since 3×2123122106³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1848836 + ... + 1849983.

It is an arithmetic number, because the mean of its divisors is an integer number (233025660).

Almost surely, 2^2123122106 is an apocalyptic number.

2123122106 is a deficient number, since it is larger than the sum of its proper divisors (1605288454).

2123122106 is a wasteful number, since it uses less digits than its factorization.

2123122106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698869.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2123122106 is about 46077.3491642043. The cubic root of 2123122106 is about 1285.2619704399.

Adding to 2123122106 its reverse (6012213212), we get a palindrome (8135335318).

The spelling of 2123122106 in words is "two billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred six".