201121002100012 has 24 divisors (see below), whose sum is σ = 357932287581120. Its totient is φ = 98854682605200.

The previous prime is 201121002099917. The next prime is 201121002100049. The reversal of 201121002100012 is 210001200121102.

201121002100012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201121002099965 and 201121002100001.

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, 10711887 + ... + 22737337.

It is an arithmetic number, because the mean of its divisors is an integer number (14913845315880).

Almost surely, 2^{201121002100012} is an apocalyptic number.

It is an amenable number.

201121002100012 is a deficient number, since it is larger than the sum of its proper divisors (156811285481108).

201121002100012 is a wasteful number, since it uses less digits than its factorization.

201121002100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096381 (or 12096379 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201121002100012 its reverse (210001200121102), we get a palindrome (411122202221114).

The spelling of 201121002100012 in words is "two hundred one trillion, one hundred twenty-one billion, two million, one hundred thousand, twelve".