2111123204 has 6 divisors (see below), whose sum is σ = 3694465614. Its totient is φ = 1055561600.

The previous prime is 2111123173. The next prime is 2111123213. The reversal of 2111123204 is 4023211112.

It can be written as a sum of positive squares in only one way, i.e., 2038703104 + 72420100 = 45152^2 + 8510^2 .

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 as a sum of consecutive naturals, namely, 263890397 + ... + 263890404.

It is an arithmetic number, because the mean of its divisors is an integer number (615744269).

Almost surely, 2^2111123204 is an apocalyptic number.

It is an amenable number.

2111123204 is a deficient number, since it is larger than the sum of its proper divisors (1583342410).

2111123204 is a wasteful number, since it uses less digits than its factorization.

2111123204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527780805 (or 527780803 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2111123204 is about 45946.9607700009. The cubic root of 2111123204 is about 1282.8361598681.

Adding to 2111123204 its reverse (4023211112), we get a palindrome (6134334316).

The spelling of 2111123204 in words is "two billion, one hundred eleven million, one hundred twenty-three thousand, two hundred four".