222001222102121 has 8 divisors (see below), whose sum is σ = 276780744439104. Its totient is φ = 172987965274320.

The previous prime is 222001222102103. The next prime is 222001222102123. The reversal of 222001222102121 is 121201222100222.

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

It is not a de Polignac number, because 222001222102121 - 2¹⁰ = 222001222101097 is a prime.

It is a super-2 number, since 2×222001222102121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222001222102093 and 222001222102102.

It is not an unprimeable number, because it can be changed into a prime (222001222102123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441566377210 + ... + 1441566377363.

It is an arithmetic number, because the mean of its divisors is an integer number (34597593054888).

Almost surely, 2^{222001222102121} is an apocalyptic number.

It is an amenable number.

222001222102121 is a deficient number, since it is larger than the sum of its proper divisors (54779522336983).

222001222102121 is a wasteful number, since it uses less digits than its factorization.

222001222102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883132754591.

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

Adding to 222001222102121 its reverse (121201222100222), we get a palindrome (343202444202343).

The spelling of 222001222102121 in words is "two hundred twenty-two trillion, one billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-one".