201000012210121 has 8 divisors (see below), whose sum is σ = 211587532564320. Its totient is φ = 190413349090272.

The previous prime is 201000012210091. The next prime is 201000012210149. The reversal of 201000012210121 is 121012210000102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000012210121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000012210721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213827260 + ... + 214765213.

It is an arithmetic number, because the mean of its divisors is an integer number (26448441570540).

Almost surely, 2^{201000012210121} is an apocalyptic number.

It is an amenable number.

201000012210121 is a deficient number, since it is larger than the sum of its proper divisors (10587520354199).

201000012210121 is a wasteful number, since it uses less digits than its factorization.

201000012210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428617175.

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

Adding to 201000012210121 its reverse (121012210000102), we get a palindrome (322012222210223).

The spelling of 201000012210121 in words is "two hundred one trillion, twelve million, two hundred ten thousand, one hundred twenty-one".