201121121002012 has 24 divisors (see below), whose sum is σ = 352552016628000. Its totient is φ = 100391975750976.

The previous prime is 201121121002007. The next prime is 201121121002031. The reversal of 201121121002012 is 210200121121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580878498 + ... + 581224630.

It is an arithmetic number, because the mean of its divisors is an integer number (14689667359500).

Almost surely, 2^{201121121002012} is an apocalyptic number.

It is an amenable number.

201121121002012 is a deficient number, since it is larger than the sum of its proper divisors (151430895625988).

201121121002012 is a wasteful number, since it uses less digits than its factorization.

201121121002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589245 (or 589243 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201121121002012 its reverse (210200121121102), we get a palindrome (411321242123114).

The spelling of 201121121002012 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-one million, two thousand, twelve".