2122321100 has 36 divisors (see below), whose sum is σ = 4607637384. Its totient is φ = 848522880.

The previous prime is 2122321099. The next prime is 2122321121. The reversal of 2122321100 is 11232212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291707 + ... + 298893.

Almost surely, 2^2122321100 is an apocalyptic number.

2122321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122321100 is an abundant number, since it is smaller than the sum of its proper divisors (2485316284).

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

2122321100 is a wasteful number, since it uses less digits than its factorization.

2122321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154 (or 10147 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2122321100 is about 46068.6563728529. The cubic root of 2122321100 is about 1285.1003166749.

Adding to 2122321100 its reverse (11232212), we get a palindrome (2133553312).

The spelling of 2122321100 in words is "two billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred".