121201103331201 has 16 divisors (see below), whose sum is σ = 162509268841920. Its totient is φ = 80346918951360.

The previous prime is 121201103331167. The next prime is 121201103331211. The reversal of 121201103331201 is 102133301102121.

It is not a de Polignac number, because 121201103331201 - 2⁷ = 121201103331073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121201103331211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4381050 + ... + 16173923.

It is an arithmetic number, because the mean of its divisors is an integer number (10156829302620).

Almost surely, 2^{121201103331201} is an apocalyptic number.

It is an amenable number.

121201103331201 is a deficient number, since it is larger than the sum of its proper divisors (41308165510719).

121201103331201 is a wasteful number, since it uses less digits than its factorization.

121201103331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20566016.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121201103331201 its reverse (102133301102121), we get a palindrome (223334404433322).

The spelling of 121201103331201 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred three million, three hundred thirty-one thousand, two hundred one".