12202010111221 has 4 divisors (see below), whose sum is σ = 13945154412832. Its totient is φ = 10458865809612.

The previous prime is 12202010111219. The next prime is 12202010111251. The reversal of 12202010111221 is 12211101020221.

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 12202010111221 - 2¹ = 12202010111219 is a prime.

It is a super-2 number, since 2×12202010111221² (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 = 12202010111195 and 12202010111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202010111251) 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, 871572150795 + ... + 871572150808.

It is an arithmetic number, because the mean of its divisors is an integer number (3486288603208).

Almost surely, 2^{12202010111221} is an apocalyptic number.

It is an amenable number.

12202010111221 is a deficient number, since it is larger than the sum of its proper divisors (1743144301611).

12202010111221 is an equidigital number, since it uses as much as digits as its factorization.

12202010111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743144301610.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12202010111221 its reverse (12211101020221), we get a palindrome (24413111131442).

The spelling of 12202010111221 in words is "twelve trillion, two hundred two billion, ten million, one hundred eleven thousand, two hundred twenty-one".