222002210000121 has 32 divisors (see below), whose sum is σ = 305927561308800. Its totient is φ = 143090155321344.

The previous prime is 222002210000119. The next prime is 222002210000143. The reversal of 222002210000121 is 121000012200222.

It is not a de Polignac number, because 222002210000121 - 2¹ = 222002210000119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222002210000121.

It is not an unprimeable number, because it can be changed into a prime (222002210000321) 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 31 ways as a sum of consecutive naturals, for example, 92042655 + ... + 94423803.

It is an arithmetic number, because the mean of its divisors is an integer number (9560236290900).

Almost surely, 2^{222002210000121} is an apocalyptic number.

It is an amenable number.

222002210000121 is a deficient number, since it is larger than the sum of its proper divisors (83925351308679).

222002210000121 is a wasteful number, since it uses less digits than its factorization.

222002210000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386505.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222002210000121 its reverse (121000012200222), we get a palindrome (343002222200343).

The spelling of 222002210000121 in words is "two hundred twenty-two trillion, two billion, two hundred ten million, one hundred twenty-one", and thus it is an aban number.