121220201100201 has 32 divisors (see below), whose sum is σ = 187306438287360. Its totient is φ = 68299818560064.

The previous prime is 121220201100179. The next prime is 121220201100233. The reversal of 121220201100201 is 102001102022121.

It is not a de Polignac number, because 121220201100201 - 2⁵ = 121220201100169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121220201102201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47938450 + ... + 50403723.

It is an arithmetic number, because the mean of its divisors is an integer number (5853326196480).

Almost surely, 2^{121220201100201} is an apocalyptic number.

It is an amenable number.

121220201100201 is a deficient number, since it is larger than the sum of its proper divisors (66086237187159).

121220201100201 is an equidigital number, since it uses as much as digits as its factorization.

121220201100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98343005.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121220201100201 its reverse (102001102022121), we get a palindrome (223221303122322).

The spelling of 121220201100201 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred one million, one hundred thousand, two hundred one".