4200103021 has 4 divisors (see below), whose sum is σ = 4200332544. Its totient is φ = 4199873500.

The previous prime is 4200103003. The next prime is 4200103043. The reversal of 4200103021 is 1203010024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4200103021 - 2¹⁵ = 4200070253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4200102992 and 4200103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200103001) 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 3 ways as a sum of consecutive naturals, for example, 84685 + ... + 124786.

It is an arithmetic number, because the mean of its divisors is an integer number (1050083136).

Almost surely, 2^4200103021 is an apocalyptic number.

It is an amenable number.

4200103021 is a deficient number, since it is larger than the sum of its proper divisors (229523).

4200103021 is a wasteful number, since it uses less digits than its factorization.

4200103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229522.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4200103021 is about 64808.2018034755. The cubic root of 4200103021 is about 1613.4418377447.

Adding to 4200103021 its reverse (1203010024), we get a palindrome (5403113045).

The spelling of 4200103021 in words is "four billion, two hundred million, one hundred three thousand, twenty-one".