201000212102101 has 4 divisors (see below), whose sum is σ = 204000215267872. Its totient is φ = 198000208936332.

The previous prime is 201000212102093. The next prime is 201000212102143. The reversal of 201000212102101 is 101201212000102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201000212102101 - 2³ = 201000212102093 is a prime.

It is a super-2 number, since 2×201000212102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000212102401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500001582785 + ... + 1500001582918.

It is an arithmetic number, because the mean of its divisors is an integer number (51000053816968).

Almost surely, 2^{201000212102101} is an apocalyptic number.

It is an amenable number.

201000212102101 is a deficient number, since it is larger than the sum of its proper divisors (3000003165771).

201000212102101 is an equidigital number, since it uses as much as digits as its factorization.

201000212102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000003165770.

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

Adding to 201000212102101 its reverse (101201212000102), we get a palindrome (302201424102203).

The spelling of 201000212102101 in words is "two hundred one trillion, two hundred twelve million, one hundred two thousand, one hundred one".