222122100210221 has 8 divisors (see below), whose sum is σ = 230488966090944. Its totient is φ = 213900745040640.

The previous prime is 222122100210217. The next prime is 222122100210281. The reversal of 222122100210221 is 122012001221222.

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 222122100210221 - 2² = 222122100210217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222122100210193 and 222122100210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122100210281) 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, 36377674676 + ... + 36377680781.

It is an arithmetic number, because the mean of its divisors is an integer number (28811120761368).

Almost surely, 2^{222122100210221} is an apocalyptic number.

It is an amenable number.

222122100210221 is a deficient number, since it is larger than the sum of its proper divisors (8366865880723).

222122100210221 is an equidigital number, since it uses as much as digits as its factorization.

222122100210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72755355571.

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

Adding to 222122100210221 its reverse (122012001221222), we get a palindrome (344134101431443).

The spelling of 222122100210221 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred million, two hundred ten thousand, two hundred twenty-one".