202010002101 has 24 divisors (see below), whose sum is σ = 295513458240. Its totient is φ = 132958103616.

The previous prime is 202010002067. The next prime is 202010002109. The reversal of 202010002101 is 101200010202.

It is not a de Polignac number, because 202010002101 - 2¹³ = 202009993909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010002109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987465 + ... + 1174353.

It is an arithmetic number, because the mean of its divisors is an integer number (12313060760).

Almost surely, 2^202010002101 is an apocalyptic number.

It is an amenable number.

202010002101 is a deficient number, since it is larger than the sum of its proper divisors (93503456139).

202010002101 is a wasteful number, since it uses less digits than its factorization.

202010002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188425 (or 188422 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 202010002101 its reverse (101200010202), we get a palindrome (303210012303).

The spelling of 202010002101 in words is "two hundred two billion, ten million, two thousand, one hundred one".