121302122201 has 16 divisors (see below), whose sum is σ = 138335702400. Its totient is φ = 105370668288.

The previous prime is 121302122159. The next prime is 121302122203. The reversal of 121302122201 is 102221203121.

It is a cyclic number.

It is not a de Polignac number, because 121302122201 - 2¹⁰ = 121302121177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121302122201.

It is not an unprimeable number, because it can be changed into a prime (121302122203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854980 + ... + 1919258.

It is an arithmetic number, because the mean of its divisors is an integer number (8645981400).

Almost surely, 2^121302122201 is an apocalyptic number.

It is an amenable number.

121302122201 is a deficient number, since it is larger than the sum of its proper divisors (17033580199).

121302122201 is a wasteful number, since it uses less digits than its factorization.

121302122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72848.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121302122201 its reverse (102221203121), we get a palindrome (223523325322).

The spelling of 121302122201 in words is "one hundred twenty-one billion, three hundred two million, one hundred twenty-two thousand, two hundred one".