222210011222221 has 8 divisors (see below), whose sum is σ = 243497965826304. Its totient is φ = 201103230700320.

The previous prime is 222210011222209. The next prime is 222210011222231. The reversal of 222210011222221 is 122222110012222.

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 222210011222221 - 2⁷ = 222210011222093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222210011222192 and 222210011222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210011222231) 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, 45293517976 + ... + 45293522881.

It is an arithmetic number, because the mean of its divisors is an integer number (30437245728288).

Almost surely, 2^{222210011222221} is an apocalyptic number.

It is an amenable number.

222210011222221 is a deficient number, since it is larger than the sum of its proper divisors (21287954604083).

222210011222221 is a wasteful number, since it uses less digits than its factorization.

222210011222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90587041091.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222210011222221 its reverse (122222110012222), we get a palindrome (344432121234443).

The spelling of 222210011222221 in words is "two hundred twenty-two trillion, two hundred ten billion, eleven million, two hundred twenty-two thousand, two hundred twenty-one".