12202220022221 has 8 divisors (see below), whose sum is σ = 12434745114720. Its totient is φ = 11969779912272.

The previous prime is 12202220022211. The next prime is 12202220022257. The reversal of 12202220022221 is 12222002220221.

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 12202220022221 - 2¹⁰ = 12202220021197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202220022193 and 12202220022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202220022211) 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, 20955695 + ... + 21530108.

It is an arithmetic number, because the mean of its divisors is an integer number (1554343139340).

Almost surely, 2^{12202220022221} is an apocalyptic number.

It is an amenable number.

12202220022221 is a deficient number, since it is larger than the sum of its proper divisors (232525092499).

12202220022221 is an equidigital number, since it uses as much as digits as its factorization.

12202220022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42491275.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12202220022221 its reverse (12222002220221), we get a palindrome (24424222242442).

The spelling of 12202220022221 in words is "twelve trillion, two hundred two billion, two hundred twenty million, twenty-two thousand, two hundred twenty-one".