2111123006 has 4 divisors (see below), whose sum is σ = 3166684512. Its totient is φ = 1055561502.

The previous prime is 2111122999. The next prime is 2111123051. The reversal of 2111123006 is 6003211112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527780750 + ... + 527780753.

It is an arithmetic number, because the mean of its divisors is an integer number (791671128).

Almost surely, 2^2111123006 is an apocalyptic number.

2111123006 is a deficient number, since it is larger than the sum of its proper divisors (1055561506).

2111123006 is a wasteful number, since it uses less digits than its factorization.

2111123006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055561505.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2111123006 is about 45946.9586153425. The cubic root of 2111123006 is about 1282.8361197628.

Adding to 2111123006 its reverse (6003211112), we get a palindrome (8114334118).

The spelling of 2111123006 in words is "two billion, one hundred eleven million, one hundred twenty-three thousand, six".