121000200201 has 12 divisors (see below), whose sum is σ = 174882934512. Its totient is φ = 80618399736.

The previous prime is 121000200107. The next prime is 121000200203. The reversal of 121000200201 is 102002000121.

It is not a de Polignac number, because 121000200201 - 2⁷ = 121000200073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (121000200203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4017531 + ... + 4047536.

It is an arithmetic number, because the mean of its divisors is an integer number (14573577876).

Almost surely, 2^121000200201 is an apocalyptic number.

It is an amenable number.

121000200201 is a deficient number, since it is larger than the sum of its proper divisors (53882734311).

121000200201 is a wasteful number, since it uses less digits than its factorization.

121000200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066740 (or 8066737 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 121000200201 its reverse (102002000121), we get a palindrome (223002200322).

It can be divided in two parts, 121000 and 200201, that added together give a triangular number (321201 = T₈₀₁).

The spelling of 121000200201 in words is "one hundred twenty-one billion, two hundred thousand, two hundred one".