121301202030201 has 24 divisors (see below), whose sum is σ = 175967375908896. Its totient is φ = 80519234112960.

The previous prime is 121301202030149. The next prime is 121301202030209. The reversal of 121301202030201 is 102030202103121.

121301202030201 is a `hidden beast` number, since 1 + 21 + 301 + 20 + 20 + 302 + 0 + 1 = 666.

It is not a de Polignac number, because 121301202030201 - 2⁶ = 121301202030137 is a prime.

It is a super-4 number, since 4×121301202030201⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (121301202030209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159334066 + ... + 160093556.

It is an arithmetic number, because the mean of its divisors is an integer number (7331973996204).

Almost surely, 2^{121301202030201} is an apocalyptic number.

It is an amenable number.

121301202030201 is a deficient number, since it is larger than the sum of its proper divisors (54666173878695).

121301202030201 is a wasteful number, since it uses less digits than its factorization.

121301202030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835893 (or 835890 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121301202030201 its reverse (102030202103121), we get a palindrome (223331404133322).

The spelling of 121301202030201 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred two million, thirty thousand, two hundred one".