121301201001 has 4 divisors (see below), whose sum is σ = 161734934672. Its totient is φ = 80867467332.

The previous prime is 121301200919. The next prime is 121301201051. The reversal of 121301201001 is 100102103121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121301201001 - 2²⁵ = 121267646569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121301201051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20216866831 + ... + 20216866836.

It is an arithmetic number, because the mean of its divisors is an integer number (40433733668).

Almost surely, 2^121301201001 is an apocalyptic number.

It is an amenable number.

121301201001 is a deficient number, since it is larger than the sum of its proper divisors (40433733671).

121301201001 is an equidigital number, since it uses as much as digits as its factorization.

121301201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433733670.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 121301201001 its reverse (100102103121), we get a palindrome (221403304122).

The spelling of 121301201001 in words is "one hundred twenty-one billion, three hundred one million, two hundred one thousand, one".