210121200010201 has 8 divisors (see below), whose sum is σ = 211433171019840. Its totient is φ = 208809508072752.

The previous prime is 210121200010133. The next prime is 210121200010291. The reversal of 210121200010201 is 102010002121012.

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 210121200010201 - 2²¹ = 210121197913049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210121200010291) 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, 68257390 + ... + 71269303.

It is an arithmetic number, because the mean of its divisors is an integer number (26429146377480).

Almost surely, 2^{210121200010201} is an apocalyptic number.

It is an amenable number.

210121200010201 is a deficient number, since it is larger than the sum of its proper divisors (1311971009639).

210121200010201 is a wasteful number, since it uses less digits than its factorization.

210121200010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139536095.

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

Adding to 210121200010201 its reverse (102010002121012), we get a palindrome (312131202131213).

The spelling of 210121200010201 in words is "two hundred ten trillion, one hundred twenty-one billion, two hundred million, ten thousand, two hundred one".