12210221110109 has 4 divisors (see below), whose sum is σ = 13320241211040. Its totient is φ = 11100201009180.

The previous prime is 12210221110051. The next prime is 12210221110117. The reversal of 12210221110109 is 90101112201221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210221110109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210221110189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555010050449 + ... + 555010050470.

It is an arithmetic number, because the mean of its divisors is an integer number (3330060302760).

Almost surely, 2^{12210221110109} is an apocalyptic number.

It is an amenable number.

12210221110109 is a deficient number, since it is larger than the sum of its proper divisors (1110020100931).

12210221110109 is a wasteful number, since it uses less digits than its factorization.

12210221110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110020100930.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12210221110109 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, one hundred ten thousand, one hundred nine".