2123101110 has 32 divisors (see below), whose sum is σ = 5487400800. Its totient is φ = 522609408.

The previous prime is 2123101069. The next prime is 2123101139. The reversal of 2123101110 is 111013212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721535 + ... + 2722314.

It is an arithmetic number, because the mean of its divisors is an integer number (171481275).

Almost surely, 2^2123101110 is an apocalyptic number.

2123101110 is an abundant number, since it is smaller than the sum of its proper divisors (3364299690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123101110 is a wasteful number, since it uses less digits than its factorization.

2123101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443872.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2123101110 is about 46077.1213293539. The cubic root of 2123101110 is about 1285.2577336842.

Adding to 2123101110 its reverse (111013212), we get a palindrome (2234114322).

The spelling of 2123101110 in words is "two billion, one hundred twenty-three million, one hundred one thousand, one hundred ten".