201120120020121 has 8 divisors (see below), whose sum is σ = 268165765924224. Its totient is φ = 134077277064720.

The previous prime is 201120120020087. The next prime is 201120120020233. The reversal of 201120120020121 is 121020021021102.

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

It is a de Polignac number, because none of the positive numbers 2^k-201120120020121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201120120020121.

It is not an unprimeable number, because it can be changed into a prime (201120120020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700569745 + ... + 700856766.

It is an arithmetic number, because the mean of its divisors is an integer number (33520720740528).

Almost surely, 2^{201120120020121} is an apocalyptic number.

It is an amenable number.

201120120020121 is a deficient number, since it is larger than the sum of its proper divisors (67045645904103).

201120120020121 is a wasteful number, since it uses less digits than its factorization.

201120120020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401474351.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201120120020121 its reverse (121020021021102), we get a palindrome (322140141041223).

The spelling of 201120120020121 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty million, twenty thousand, one hundred twenty-one".