10030404021 has 16 divisors (see below), whose sum is σ = 14710260288. Its totient is φ = 6079030320.

The previous prime is 10030404011. The next prime is 10030404047. The reversal of 10030404021 is 12040403001.

It is not a de Polignac number, because 10030404021 - 2⁷ = 10030403893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030404011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252006 + ... + 1259991.

It is an arithmetic number, because the mean of its divisors is an integer number (919391268).

Almost surely, 2^10030404021 is an apocalyptic number.

10030404021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10030404021 is a deficient number, since it is larger than the sum of its proper divisors (4679856267).

10030404021 is an equidigital number, since it uses as much as digits as its factorization.

10030404021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512033 (or 2512011 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10030404021 its reverse (12040403001), we get a palindrome (22070807022).

The spelling of 10030404021 in words is "ten billion, thirty million, four hundred four thousand, twenty-one".