2101222124 has 24 divisors (see below), whose sum is σ = 3697663200. Its totient is φ = 1044760320.

The previous prime is 2101222121. The next prime is 2101222163. The reversal of 2101222124 is 4212221012.

It is not an unprimeable number, because it can be changed into a prime (2101222121) 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 7 ways as a sum of consecutive naturals, for example, 1029497 + ... + 1031535.

It is an arithmetic number, because the mean of its divisors is an integer number (154069300).

Almost surely, 2^2101222124 is an apocalyptic number.

It is an amenable number.

2101222124 is a deficient number, since it is larger than the sum of its proper divisors (1596441076).

2101222124 is a wasteful number, since it uses less digits than its factorization.

2101222124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2101222124 is about 45839.0894761229. The cubic root of 2101222124 is about 1280.8275337229.

Adding to 2101222124 its reverse (4212221012), we get a palindrome (6313443136).

The spelling of 2101222124 in words is "two billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-four".