121122201221201 has 8 divisors (see below), whose sum is σ = 128387812713984. Its totient is φ = 113872231520320.

The previous prime is 121122201221173. The next prime is 121122201221221. The reversal of 121122201221201 is 102122102221121.

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

It is a cyclic number.

It is not a de Polignac number, because 121122201221201 - 2¹⁰ = 121122201220177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121122201221221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3910432025 + ... + 3910462998.

It is an arithmetic number, because the mean of its divisors is an integer number (16048476589248).

Almost surely, 2^{121122201221201} is an apocalyptic number.

It is an amenable number.

121122201221201 is a deficient number, since it is larger than the sum of its proper divisors (7265611492783).

121122201221201 is an equidigital number, since it uses as much as digits as its factorization.

121122201221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820895951.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121122201221201 its reverse (102122102221121), we get a palindrome (223244303442322).

The spelling of 121122201221201 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, two hundred one".