201210002101 has 4 divisors (see below), whose sum is σ = 201367321600. Its totient is φ = 201052682604.

The previous prime is 201210002069. The next prime is 201210002113. The reversal of 201210002101 is 101200012102.

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 201210002101 - 2⁵ = 201210002069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210062101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78657831 + ... + 78660388.

It is an arithmetic number, because the mean of its divisors is an integer number (50341830400).

Almost surely, 2^201210002101 is an apocalyptic number.

It is an amenable number.

201210002101 is a deficient number, since it is larger than the sum of its proper divisors (157319499).

201210002101 is a wasteful number, since it uses less digits than its factorization.

201210002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157319498.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201210002101 its reverse (101200012102), we get a palindrome (302410014203).

The spelling of 201210002101 in words is "two hundred one billion, two hundred ten million, two thousand, one hundred one".