202101000001 has 8 divisors (see below), whose sum is σ = 203006249600. Its totient is φ = 201196301760.

The previous prime is 202100999999. The next prime is 202101000037. The reversal of 202101000001 is 100000101202.

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 202101000001 - 2¹ = 202100999999 is a prime.

It is a super-3 number, since 3×202101000001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202101000901) 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, 605860 + ... + 878218.

It is an arithmetic number, because the mean of its divisors is an integer number (25375781200).

Almost surely, 2^202101000001 is an apocalyptic number.

It is an amenable number.

202101000001 is a deficient number, since it is larger than the sum of its proper divisors (905249599).

202101000001 is a wasteful number, since it uses less digits than its factorization.

202101000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275679.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 202101000001 its reverse (100000101202), we get a palindrome (302101101203).

The spelling of 202101000001 in words is "two hundred two billion, one hundred one million, one", and thus it is an aban number.