121001201020201 has 8 divisors (see below), whose sum is σ = 126503541789120. Its totient is φ = 115518978500112.

The previous prime is 121001201020087. The next prime is 121001201020229. The reversal of 121001201020201 is 102020102100121.

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

It is a cyclic number.

It is not a de Polignac number, because 121001201020201 - 2³⁵ = 120966841281833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001201020801) 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 7 ways as a sum of consecutive naturals, for example, 5029549906 + ... + 5029573963.

It is an arithmetic number, because the mean of its divisors is an integer number (15812942723640).

Almost surely, 2^{121001201020201} is an apocalyptic number.

It is an amenable number.

121001201020201 is a deficient number, since it is larger than the sum of its proper divisors (5502340768919).

121001201020201 is a wasteful number, since it uses less digits than its factorization.

121001201020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10059124415.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121001201020201 its reverse (102020102100121), we get a palindrome (223021303120322).

The spelling of 121001201020201 in words is "one hundred twenty-one trillion, one billion, two hundred one million, twenty thousand, two hundred one".