121202321001 has 8 divisors (see below), whose sum is σ = 162217556160. Its totient is φ = 80494316592.

The previous prime is 121202320997. The next prime is 121202321003. The reversal of 121202321001 is 100123202121.

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

It is not a de Polignac number, because 121202321001 - 2² = 121202320997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121202321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76806766 + ... + 76808343.

It is an arithmetic number, because the mean of its divisors is an integer number (20277194520).

Almost surely, 2^121202321001 is an apocalyptic number.

It is an amenable number.

121202321001 is a deficient number, since it is larger than the sum of its proper divisors (41015235159).

121202321001 is a wasteful number, since it uses less digits than its factorization.

121202321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153615375.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121202321001 its reverse (100123202121), we get a palindrome (221325523122).

The spelling of 121202321001 in words is "one hundred twenty-one billion, two hundred two million, three hundred twenty-one thousand, one".