121202220100201 has 8 divisors (see below), whose sum is σ = 129556561889664. Its totient is φ = 113104934981280.

The previous prime is 121202220100177. The next prime is 121202220100217. The reversal of 121202220100201 is 102001022202121.

It is a happy number.

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 121202220100201 - 2⁴⁵ = 86017848011369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202220103201) 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, 64264166661 + ... + 64264168546.

It is an arithmetic number, because the mean of its divisors is an integer number (16194570236208).

Almost surely, 2^{121202220100201} is an apocalyptic number.

It is an amenable number.

121202220100201 is a deficient number, since it is larger than the sum of its proper divisors (8354341789463).

121202220100201 is a wasteful number, since it uses less digits than its factorization.

121202220100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128528335271.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121202220100201 its reverse (102001022202121), we get a palindrome (223203242302322).

The spelling of 121202220100201 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty million, one hundred thousand, two hundred one".