201120020121 has 8 divisors (see below), whose sum is σ = 269005958784. Its totient is φ = 133657047440.

The previous prime is 201120020111. The next prime is 201120020173. The reversal of 201120020121 is 121020021102.

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 201120020121 - 2⁹ = 201120019609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201120020097 and 201120020106.

It is not an unprimeable number, because it can be changed into a prime (201120020111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105740385 + ... + 105742286.

It is an arithmetic number, because the mean of its divisors is an integer number (33625744848).

Almost surely, 2^201120020121 is an apocalyptic number.

It is an amenable number.

201120020121 is a deficient number, since it is larger than the sum of its proper divisors (67885938663).

201120020121 is a wasteful number, since it uses less digits than its factorization.

201120020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211482991.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120020121 its reverse (121020021102), we get a palindrome (322140041223).

The spelling of 201120020121 in words is "two hundred one billion, one hundred twenty million, twenty thousand, one hundred twenty-one".