121100002000201 has 24 divisors (see below), whose sum is σ = 143556042666240. Its totient is φ = 101822594301792.

The previous prime is 121100002000193. The next prime is 121100002000217. The reversal of 121100002000201 is 102000200001121.

It is not a de Polignac number, because 121100002000201 - 2³ = 121100002000193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100002000301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9661960 + ... + 18318118.

It is an arithmetic number, because the mean of its divisors is an integer number (5981501777760).

Almost surely, 2^{121100002000201} is an apocalyptic number.

It is an amenable number.

121100002000201 is a deficient number, since it is larger than the sum of its proper divisors (22456040666039).

121100002000201 is an equidigital number, since it uses as much as digits as its factorization.

121100002000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661613 (or 8661606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121100002000201 its reverse (102000200001121), we get a palindrome (223100202001322).

The spelling of 121100002000201 in words is "one hundred twenty-one trillion, one hundred billion, two million, two hundred one", and thus it is an aban number.