10021210009 has 8 divisors (see below), whose sum is σ = 10794235392. Its totient is φ = 9276294720.

The previous prime is 10021209983. The next prime is 10021210019. The reversal of 10021210009 is 90001212001.

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 10021210009 - 2²⁹ = 9484339097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021209974 and 10021210001.

It is not an unprimeable number, because it can be changed into a prime (10021210019) 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, 7026784 + ... + 7028209.

It is an arithmetic number, because the mean of its divisors is an integer number (1349279424).

Almost surely, 2^10021210009 is an apocalyptic number.

It is an amenable number.

10021210009 is a deficient number, since it is larger than the sum of its proper divisors (773025383).

10021210009 is a wasteful number, since it uses less digits than its factorization.

10021210009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14055047.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 10021210009 in words is "ten billion, twenty-one million, two hundred ten thousand, nine".