121204321401 has 8 divisors (see below), whose sum is σ = 165547365984. Its totient is φ = 78832078880.

The previous prime is 121204321391. The next prime is 121204321423. The reversal of 121204321401 is 104123402121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121204321401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121204321471) 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 7 ways as a sum of consecutive naturals, for example, 492700371 + ... + 492700616.

It is an arithmetic number, because the mean of its divisors is an integer number (20693420748).

Almost surely, 2^121204321401 is an apocalyptic number.

It is an amenable number.

121204321401 is a deficient number, since it is larger than the sum of its proper divisors (44343044583).

121204321401 is an equidigital number, since it uses as much as digits as its factorization.

121204321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985401031.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121204321401 its reverse (104123402121), we get a palindrome (225327723522).

The spelling of 121204321401 in words is "one hundred twenty-one billion, two hundred four million, three hundred twenty-one thousand, four hundred one".