10221220012209 has 8 divisors (see below), whose sum is σ = 14345571947040. Its totient is φ = 6455507376096.

The previous prime is 10221220012189. The next prime is 10221220012217. The reversal of 10221220012209 is 90221002212201.

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

It is not a de Polignac number, because 10221220012209 - 2¹² = 10221220008113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221220012219) 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, 89659824612 + ... + 89659824725.

It is an arithmetic number, because the mean of its divisors is an integer number (1793196493380).

Almost surely, 2^{10221220012209} is an apocalyptic number.

10221220012209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10221220012209 is a deficient number, since it is larger than the sum of its proper divisors (4124351934831).

10221220012209 is a wasteful number, since it uses less digits than its factorization.

10221220012209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179319649359.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 10221220012209 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, twelve thousand, two hundred nine".