120001203321121 has 4 divisors (see below), whose sum is σ = 120010009469872. Its totient is φ = 119992397172372.

The previous prime is 120001203321107. The next prime is 120001203321173. The reversal of 120001203321121 is 121123302100021.

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 a cyclic number.

It is not a de Polignac number, because 120001203321121 - 2²³ = 120001194932513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001203321521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403053935 + ... + 4403081188.

It is an arithmetic number, because the mean of its divisors is an integer number (30002502367468).

Almost surely, 2^{120001203321121} is an apocalyptic number.

It is an amenable number.

120001203321121 is a deficient number, since it is larger than the sum of its proper divisors (8806148751).

120001203321121 is an equidigital number, since it uses as much as digits as its factorization.

120001203321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806148750.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120001203321121 its reverse (121123302100021), we get a palindrome (241124505421142).

The spelling of 120001203321121 in words is "one hundred twenty trillion, one billion, two hundred three million, three hundred twenty-one thousand, one hundred twenty-one".