222202002000121 has 8 divisors (see below), whose sum is σ = 261048505846464. Its totient is φ = 186463218461520.

The previous prime is 222202002000109. The next prime is 222202002000191. The reversal of 222202002000121 is 121000200202222.

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

It is a de Polignac number, because none of the positive numbers 2^k-222202002000121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222202002000095 and 222202002000104.

It is not an unprimeable number, because it can be changed into a prime (222202002000191) 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, 776930076781 + ... + 776930077066.

It is an arithmetic number, because the mean of its divisors is an integer number (32631063230808).

Almost surely, 2^{222202002000121} is an apocalyptic number.

It is an amenable number.

222202002000121 is a deficient number, since it is larger than the sum of its proper divisors (38846503846343).

222202002000121 is a wasteful number, since it uses less digits than its factorization.

222202002000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553860153871.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222202002000121 its reverse (121000200202222), we get a palindrome (343202202202343).

The spelling of 222202002000121 in words is "two hundred twenty-two trillion, two hundred two billion, two million, one hundred twenty-one", and thus it is an aban number.