121201132301 has 4 divisors (see below), whose sum is σ = 123487946172. Its totient is φ = 118914318432.

The previous prime is 121201132291. The next prime is 121201132309. The reversal of 121201132301 is 103231102121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101044515625 + 20156616676 = 317875^2 + 141974^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201132301 - 2²² = 121196937997 is a prime.

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 121201132301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201132309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143406856 + ... + 1143406961.

It is an arithmetic number, because the mean of its divisors is an integer number (30871986543).

Almost surely, 2^121201132301 is an apocalyptic number.

It is an amenable number.

121201132301 is a deficient number, since it is larger than the sum of its proper divisors (2286813871).

121201132301 is an equidigital number, since it uses as much as digits as its factorization.

121201132301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286813870.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121201132301 its reverse (103231102121), we get a palindrome (224432234422).

The spelling of 121201132301 in words is "one hundred twenty-one billion, two hundred one million, one hundred thirty-two thousand, three hundred one".