221102110020109 has 4 divisors (see below), whose sum is σ = 221125584083040. Its totient is φ = 221078635957180.

The previous prime is 221102110020059. The next prime is 221102110020119. The reversal of 221102110020109 is 901020011201122.

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 not a de Polignac number, because 221102110020109 - 2⁷ = 221102110019981 is a prime.

It is a super-2 number, since 2×221102110020109² (a number of 29 digits) contains 22 as substring.

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 221102110020109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102110020119) 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, 11737017337 + ... + 11737036174.

It is an arithmetic number, because the mean of its divisors is an integer number (55281396020760).

Almost surely, 2^{221102110020109} is an apocalyptic number.

It is an amenable number.

221102110020109 is a deficient number, since it is larger than the sum of its proper divisors (23474062931).

221102110020109 is an equidigital number, since it uses as much as digits as its factorization.

221102110020109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23474062930.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 221102110020109 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred ten million, twenty thousand, one hundred nine".