201012102121121 has 8 divisors (see below), whose sum is σ = 202162709768544. Its totient is φ = 199864270368000.

The previous prime is 201012102121111. The next prime is 201012102121253. The reversal of 201012102121121 is 121121201210102.

201012102121121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201012102121121 - 2⁴² = 196614055610017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201012102121121.

It is not an unprimeable number, because it can be changed into a prime (201012102121111) 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, 693828335 + ... + 694117988.

It is an arithmetic number, because the mean of its divisors is an integer number (25270338721068).

Almost surely, 2^{201012102121121} is an apocalyptic number.

It is an amenable number.

201012102121121 is a deficient number, since it is larger than the sum of its proper divisors (1150607647423).

201012102121121 is a wasteful number, since it uses less digits than its factorization.

201012102121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387947151.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201012102121121 its reverse (121121201210102), we get a palindrome (322133303331223).

The spelling of 201012102121121 in words is "two hundred one trillion, twelve billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-one".