121101000201 has 6 divisors (see below), whose sum is σ = 174923666970. Its totient is φ = 80734000128.

The previous prime is 121101000179. The next prime is 121101000221. The reversal of 121101000201 is 102000101121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79617087225 + 41483912976 = 282165^2 + 203676^2 .

It is not a de Polignac number, because 121101000201 - 2¹³ = 121100992009 is a prime.

It is a super-3 number, since 3×121101000201³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13455666689 = 121101000201 / (1 + 2 + 1 + 1 + 0 + 1 + 0 + 0 + 0 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (121101000221) 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 5 ways as a sum of consecutive naturals, for example, 6727833336 + ... + 6727833353.

It is an arithmetic number, because the mean of its divisors is an integer number (29153944495).

Almost surely, 2^121101000201 is an apocalyptic number.

It is an amenable number.

121101000201 is a deficient number, since it is larger than the sum of its proper divisors (53822666769).

121101000201 is a wasteful number, since it uses less digits than its factorization.

121101000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455666695 (or 13455666692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 121101000201 its reverse (102000101121), we get a palindrome (223101101322).

The spelling of 121101000201 in words is "one hundred twenty-one billion, one hundred one million, two hundred one", and thus it is an aban number.