10021211021009 has 8 divisors (see below), whose sum is σ = 10028332503072. Its totient is φ = 10014090486880.

The previous prime is 10021211020993. The next prime is 10021211021021. The reversal of 10021211021009 is 90012011212001.

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 10021211021009 - 2⁴ = 10021211020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021211021309) 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, 21628082 + ... + 22086564.

It is an arithmetic number, because the mean of its divisors is an integer number (1253541562884).

Almost surely, 2^{10021211021009} is an apocalyptic number.

It is an amenable number.

10021211021009 is a deficient number, since it is larger than the sum of its proper divisors (7121482063).

10021211021009 is a wasteful number, since it uses less digits than its factorization.

10021211021009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473967.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10021211021009 in words is "ten trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, nine".