2021124124 has 6 divisors (see below), whose sum is σ = 3536967224. Its totient is φ = 1010562060.

The previous prime is 2021124121. The next prime is 2021124191. The reversal of 2021124124 is 4214211202.

It is a super-2 number, since 2×2021124124² = 8169885449229534752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021124121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252640512 + ... + 252640519.

Almost surely, 2^2021124124 is an apocalyptic number.

It is an amenable number.

2021124124 is a deficient number, since it is larger than the sum of its proper divisors (1515843100).

2021124124 is a wasteful number, since it uses less digits than its factorization.

2021124124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505281035 (or 505281033 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2021124124 is about 44956.9140844876. The cubic root of 2021124124 is about 1264.3413119508.

Adding to 2021124124 its reverse (4214211202), we get a palindrome (6235335326).

The spelling of 2021124124 in words is "two billion, twenty-one million, one hundred twenty-four thousand, one hundred twenty-four".