22202212211021 has 8 divisors (see below), whose sum is σ = 22559987546880. Its totient is φ = 21846355242192.

The previous prime is 22202212210987. The next prime is 22202212211077. The reversal of 22202212211021 is 12011221220222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202212211021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202212210984 and 22202212211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202212111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479568425 + ... + 479614718.

It is an arithmetic number, because the mean of its divisors is an integer number (2819998443360).

Almost surely, 2^{22202212211021} is an apocalyptic number.

It is an amenable number.

22202212211021 is a deficient number, since it is larger than the sum of its proper divisors (357775335859).

22202212211021 is an equidigital number, since it uses as much as digits as its factorization.

22202212211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959183515.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22202212211021 its reverse (12011221220222), we get a palindrome (34213433431243).

The spelling of 22202212211021 in words is "twenty-two trillion, two hundred two billion, two hundred twelve million, two hundred eleven thousand, twenty-one".