10000099021 has 8 divisors (see below), whose sum is σ = 10948025088. Its totient is φ = 9058644000.

The previous prime is 10000098967. The next prime is 10000099027. The reversal of 10000099021 is 12099000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10000099021 - 2⁷ = 10000098893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000098983 and 10000099001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000099027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614525 + ... + 1620706.

It is an arithmetic number, because the mean of its divisors is an integer number (1368503136).

Almost surely, 2^10000099021 is an apocalyptic number.

10000099021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000099021 is a deficient number, since it is larger than the sum of its proper divisors (947926067).

10000099021 is a wasteful number, since it uses less digits than its factorization.

10000099021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235523.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 10000099021 its reverse (12099000001), we get a palindrome (22099099022).

The spelling of 10000099021 in words is "ten billion, ninety-nine thousand, twenty-one".