201202001121 has 64 divisors (see below), whose sum is σ = 307739803392. Its totient is φ = 115852800000.

The previous prime is 201202001107. The next prime is 201202001137. The reversal of 201202001121 is 121100202102.

201202001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-201202001121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201202001097 and 201202001106.

It is not an unprimeable number, because it can be changed into a prime (201202001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8323765 + ... + 8347901.

It is an arithmetic number, because the mean of its divisors is an integer number (4808434428).

Almost surely, 2^201202001121 is an apocalyptic number.

It is an amenable number.

201202001121 is a deficient number, since it is larger than the sum of its proper divisors (106537802271).

201202001121 is a wasteful number, since it uses less digits than its factorization.

201202001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354.

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

Adding to 201202001121 its reverse (121100202102), we get a palindrome (322302203223).

The spelling of 201202001121 in words is "two hundred one billion, two hundred two million, one thousand, one hundred twenty-one".