2123331100 has 36 divisors (see below), whose sum is σ = 5026506408. Its totient is φ = 772120000.

The previous prime is 2123331047. The next prime is 2123331101. The reversal of 2123331100 is 11333212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123331101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964051 + ... + 966250.

It is an arithmetic number, because the mean of its divisors is an integer number (139625178).

Almost surely, 2^2123331100 is an apocalyptic number.

2123331100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123331100 is an abundant number, since it is smaller than the sum of its proper divisors (2903175308).

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

2123331100 is a wasteful number, since it uses less digits than its factorization.

2123331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930326 (or 1930319 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2123331100 is about 46079.6169688942. The cubic root of 2123331100 is about 1285.3041415467.

Adding to 2123331100 its reverse (11333212), we get a palindrome (2134664312).

The spelling of 2123331100 in words is "two billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred".