221002220211009 has 16 divisors (see below), whose sum is σ = 296923160998464. Its totient is φ = 146208077870400.

The previous prime is 221002220210939. The next prime is 221002220211011. The reversal of 221002220211009 is 900112022200122.

It is not a de Polignac number, because 221002220211009 - 2¹² = 221002220206913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221002220211009.

It is not an unprimeable number, because it can be changed into a prime (221002220212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24503919 + ... + 32286939.

It is an arithmetic number, because the mean of its divisors is an integer number (18557697562404).

Almost surely, 2^{221002220211009} is an apocalyptic number.

It is an amenable number.

221002220211009 is a deficient number, since it is larger than the sum of its proper divisors (75920940787455).

221002220211009 is a wasteful number, since it uses less digits than its factorization.

221002220211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855408.

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

The spelling of 221002220211009 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, two hundred eleven thousand, nine".