12201111110221 has 8 divisors (see below), whose sum is σ = 13319552736000. Its totient is φ = 11084211102240.

The previous prime is 12201111110183. The next prime is 12201111110291.

12201111110221 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 12201111110221 - 2⁹ = 12201111109709 is a prime.

It is a super-2 number, since 2×12201111110221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201111110195 and 12201111110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201111110291) 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, 385387896 + ... + 385419553.

It is an arithmetic number, because the mean of its divisors is an integer number (1664944092000).

Almost surely, 2^{12201111110221} is an apocalyptic number.

12201111110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12201111110221 is a deficient number, since it is larger than the sum of its proper divisors (1118441625779).

12201111110221 is a wasteful number, since it uses less digits than its factorization.

12201111110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770808899.

The product of its (nonzero) digits is 16, while the sum is 16.

It can be divided in two parts, 1220111 and 1110221, that added together give a palindrome (2330332).

The spelling of 12201111110221 in words is "twelve trillion, two hundred one billion, one hundred eleven million, one hundred ten thousand, two hundred twenty-one".