121120200201 has 64 divisors (see below), whose sum is σ = 228242810880. Its totient is φ = 55022768640.

The previous prime is 121120200197. The next prime is 121120200209. The reversal of 121120200201 is 102002021121.

It is not a de Polignac number, because 121120200201 - 2² = 121120200197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120200209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1004340 + ... + 1118453.

It is an arithmetic number, because the mean of its divisors is an integer number (3566293920).

Almost surely, 2^121120200201 is an apocalyptic number.

121120200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121120200201 is a deficient number, since it is larger than the sum of its proper divisors (107122610679).

121120200201 is a wasteful number, since it uses less digits than its factorization.

121120200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122846.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121120200201 its reverse (102002021121), we get a palindrome (223122221322).

The spelling of 121120200201 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred thousand, two hundred one".