121100122120201 has 64 divisors (see below), whose sum is σ = 143949331169280. Its totient is φ = 99737484537600.

The previous prime is 121100122120189. The next prime is 121100122120213. The reversal of 121100122120201 is 102021221001121.

It is an interprime number because it is at equal distance from previous prime (121100122120189) and next prime (121100122120213).

It is not a de Polignac number, because 121100122120201 - 2⁹ = 121100122119689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121100122120231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8562541336 + ... + 8562555478.

It is an arithmetic number, because the mean of its divisors is an integer number (2249208299520).

Almost surely, 2^{121100122120201} is an apocalyptic number.

It is an amenable number.

121100122120201 is a deficient number, since it is larger than the sum of its proper divisors (22849209049079).

121100122120201 is a wasteful number, since it uses less digits than its factorization.

121100122120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121100122120201 its reverse (102021221001121), we get a palindrome (223121343121322).

The spelling of 121100122120201 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".