2221000212109 has 12 divisors (see below), whose sum is σ = 2590429432800. Its totient is φ = 1898691458328.

The previous prime is 2221000212077. The next prime is 2221000212127. The reversal of 2221000212109 is 9012120001222.

It is not a de Polignac number, because 2221000212109 - 2⁵ = 2221000212077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221000212109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221000212139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59778969 + ... + 59816110.

It is an arithmetic number, because the mean of its divisors is an integer number (215869119400).

Almost surely, 2^{2221000212109} is an apocalyptic number.

It is an amenable number.

2221000212109 is a deficient number, since it is larger than the sum of its proper divisors (369429220691).

2221000212109 is a wasteful number, since it uses less digits than its factorization.

2221000212109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119595472 (or 119595465 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2221000212109 in words is "two trillion, two hundred twenty-one billion, two hundred twelve thousand, one hundred nine".