121200102120201 has 32 divisors (see below), whose sum is σ = 174429847200000. Its totient is φ = 74413862535168.

The previous prime is 121200102120199. The next prime is 121200102120239. The reversal of 121200102120201 is 102021201002121.

It is not a de Polignac number, because 121200102120201 - 2¹ = 121200102120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121200102120301) 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, 35975625 + ... + 39200073.

It is an arithmetic number, because the mean of its divisors is an integer number (5450932725000).

Almost surely, 2^{121200102120201} is an apocalyptic number.

It is an amenable number.

121200102120201 is a deficient number, since it is larger than the sum of its proper divisors (53229745079799).

121200102120201 is a wasteful number, since it uses less digits than its factorization.

121200102120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226673.

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

Adding to 121200102120201 its reverse (102021201002121), we get a palindrome (223221303122322).

The spelling of 121200102120201 in words is "one hundred twenty-one trillion, two hundred billion, one hundred two million, one hundred twenty thousand, two hundred one".