121100201102201 has 16 divisors (see below), whose sum is σ = 126247364745216. Its totient is φ = 116030637000000.

The previous prime is 121100201102191. The next prime is 121100201102269. The reversal of 121100201102201 is 102201102001121.

It is a cyclic number.

It is not a de Polignac number, because 121100201102201 - 2⁶ = 121100201102137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100201132201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137170571 + ... + 138050591.

It is an arithmetic number, because the mean of its divisors is an integer number (7890460296576).

Almost surely, 2^{121100201102201} is an apocalyptic number.

It is an amenable number.

121100201102201 is a deficient number, since it is larger than the sum of its proper divisors (5147163643015).

121100201102201 is a wasteful number, since it uses less digits than its factorization.

121100201102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924104.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121100201102201 its reverse (102201102001121), we get a palindrome (223301303103322).

The spelling of 121100201102201 in words is "one hundred twenty-one trillion, one hundred billion, two hundred one million, one hundred two thousand, two hundred one".