121011020201 has 8 divisors (see below), whose sum is σ = 121766201280. Its totient is φ = 120256718832.

The previous prime is 121011020191. The next prime is 121011020231. The reversal of 121011020201 is 102020110121.

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 121011020201 - 2¹⁰ = 121011019177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011020231) 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, 57131 + ... + 495263.

It is an arithmetic number, because the mean of its divisors is an integer number (15220775160).

Almost surely, 2^121011020201 is an apocalyptic number.

It is an amenable number.

121011020201 is a deficient number, since it is larger than the sum of its proper divisors (755181079).

121011020201 is a wasteful number, since it uses less digits than its factorization.

121011020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439855.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121011020201 its reverse (102020110121), we get a palindrome (223031130322).

The spelling of 121011020201 in words is "one hundred twenty-one billion, eleven million, twenty thousand, two hundred one".