210001012021201 has 16 divisors (see below), whose sum is σ = 213206304265920. Its totient is φ = 206797818363840.

The previous prime is 210001012021189. The next prime is 210001012021243. The reversal of 210001012021201 is 102120210100012.

It is a cyclic number.

It is not a de Polignac number, because 210001012021201 - 2¹⁵ = 210001011988433 is a prime.

It is a super-2 number, since 2×210001012021201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210001012021291) 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, 2735026431 + ... + 2735103211.

It is an arithmetic number, because the mean of its divisors is an integer number (13325394016620).

Almost surely, 2^{210001012021201} is an apocalyptic number.

It is an amenable number.

210001012021201 is a deficient number, since it is larger than the sum of its proper divisors (3205292244719).

210001012021201 is an equidigital number, since it uses as much as digits as its factorization.

210001012021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89904.

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

Adding to 210001012021201 its reverse (102120210100012), we get a palindrome (312121222121213).

The spelling of 210001012021201 in words is "two hundred ten trillion, one billion, twelve million, twenty-one thousand, two hundred one".