121002210102122 has 32 divisors (see below), whose sum is σ = 189811926944640. Its totient is φ = 57743293893120.

The previous prime is 121002210102121. The next prime is 121002210102217. The reversal of 121002210102122 is 221201012200121.

It is a self number, because there is not a number n which added to its sum of digits gives 121002210102122.

It is not an unprimeable number, because it can be changed into a prime (121002210102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36967154 + ... + 40107042.

It is an arithmetic number, because the mean of its divisors is an integer number (5931622717020).

Almost surely, 2^{121002210102122} is an apocalyptic number.

121002210102122 is a deficient number, since it is larger than the sum of its proper divisors (68809716842518).

121002210102122 is a wasteful number, since it uses less digits than its factorization.

121002210102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141758.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121002210102122 its reverse (221201012200121), we get a palindrome (342203222302243).

The spelling of 121002210102122 in words is "one hundred twenty-one trillion, two billion, two hundred ten million, one hundred two thousand, one hundred twenty-two".