210000002121201 has 16 divisors (see below), whose sum is σ = 280029956993280. Its totient is φ = 139985025202560.

The previous prime is 210000002121197. The next prime is 210000002121263. The reversal of 210000002121201 is 102121200000012.

It is not a de Polignac number, because 210000002121201 - 2² = 210000002121197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210000002125201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180754440 + ... + 1180932278.

It is an arithmetic number, because the mean of its divisors is an integer number (17501872312080).

Almost surely, 2^{210000002121201} is an apocalyptic number.

It is an amenable number.

210000002121201 is a deficient number, since it is larger than the sum of its proper divisors (70029954872079).

210000002121201 is a wasteful number, since it uses less digits than its factorization.

210000002121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217736.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210000002121201 its reverse (102121200000012), we get a palindrome (312121202121213).

The spelling of 210000002121201 in words is "two hundred ten trillion, two million, one hundred twenty-one thousand, two hundred one".