121001000201 has 8 divisors (see below), whose sum is σ = 124915569408. Its totient is φ = 117087138000.

The previous prime is 121001000191. The next prime is 121001000251. The reversal of 121001000201 is 102000100121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121001000201 - 2¹⁰ = 121000999177 is a prime.

It is a super-3 number, since 3×121001000201³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001000251) 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 7 ways as a sum of consecutive naturals, for example, 182711 + ... + 524771.

It is an arithmetic number, because the mean of its divisors is an integer number (15614446176).

Almost surely, 2^121001000201 is an apocalyptic number.

It is an amenable number.

121001000201 is a deficient number, since it is larger than the sum of its proper divisors (3914569207).

121001000201 is a wasteful number, since it uses less digits than its factorization.

121001000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353503.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 121001000201 its reverse (102000100121), we get a palindrome (223001100322).

The spelling of 121001000201 in words is "one hundred twenty-one billion, one million, two hundred one", and thus it is an aban number.