12202212111021 has 12 divisors (see below), whose sum is σ = 17764200310272. Its totient is φ = 8070754466376.

The previous prime is 12202212111013. The next prime is 12202212111041. The reversal of 12202212111021 is 12011121220221.

12202212111021 is a `hidden beast` number, since 1 + 220 + 221 + 211 + 10 + 2 + 1 = 666.

It is not a de Polignac number, because 12202212111021 - 2³ = 12202212111013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202212110985 and 12202212111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202212111041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5337799431 + ... + 5337801716.

It is an arithmetic number, because the mean of its divisors is an integer number (1480350025856).

Almost surely, 2^{12202212111021} is an apocalyptic number.

It is an amenable number.

12202212111021 is a deficient number, since it is larger than the sum of its proper divisors (5561988199251).

12202212111021 is a wasteful number, since it uses less digits than its factorization.

12202212111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675601280 (or 10675601277 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12202212111021 its reverse (12011121220221), we get a palindrome (24213333331242).

The spelling of 12202212111021 in words is "twelve trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, twenty-one".