222121121002211 has 8 divisors (see below), whose sum is σ = 222374695246080. Its totient is φ = 221867551333512.

The previous prime is 222121121002177. The next prime is 222121121002223. The reversal of 222121121002211 is 112200121121222.

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 222121121002211 - 2¹⁰ = 222121121001187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121121022211) 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, 101235746 + ... + 103406568.

It is an arithmetic number, because the mean of its divisors is an integer number (27796836905760).

Almost surely, 2^{222121121002211} is an apocalyptic number.

222121121002211 is a deficient number, since it is larger than the sum of its proper divisors (253574243869).

222121121002211 is a wasteful number, since it uses less digits than its factorization.

222121121002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287585.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222121121002211 its reverse (112200121121222), we get a palindrome (334321242123433).

The spelling of 222121121002211 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, two thousand, two hundred eleven".