10202221209 has 8 divisors (see below), whose sum is σ = 14318907040. Its totient is φ = 6443508096.

The previous prime is 10202221207. The next prime is 10202221219. The reversal of 10202221209 is 90212220201.

It is a happy number.

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

It is not a de Polignac number, because 10202221209 - 2¹ = 10202221207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202221207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89493112 + ... + 89493225.

It is an arithmetic number, because the mean of its divisors is an integer number (1789863380).

Almost surely, 2^10202221209 is an apocalyptic number.

10202221209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10202221209 is a deficient number, since it is larger than the sum of its proper divisors (4116685831).

10202221209 is a wasteful number, since it uses less digits than its factorization.

10202221209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178986359.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 10202221209 in words is "ten billion, two hundred two million, two hundred twenty-one thousand, two hundred nine".