2100422124 has 24 divisors (see below), whose sum is σ = 5445539120. Its totient is φ = 700140672.

The previous prime is 2100422119. The next prime is 2100422197. The reversal of 2100422124 is 4212240012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2100422097 and 2100422106.

It is an unprimeable number.

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, 9724069 + ... + 9724284.

Almost surely, 2^2100422124 is an apocalyptic number.

It is an amenable number.

2100422124 is an abundant number, since it is smaller than the sum of its proper divisors (3345116996).

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

2100422124 is a wasteful number, since it uses less digits than its factorization.

2100422124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19448366 (or 19448358 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2100422124 is about 45830.3624685644. The cubic root of 2100422124 is about 1280.6649629214.

Adding to 2100422124 its reverse (4212240012), we get a palindrome (6312662136).

The spelling of 2100422124 in words is "two billion, one hundred million, four hundred twenty-two thousand, one hundred twenty-four".