202101200001010 has 16 divisors (see below), whose sum is σ = 363782767717656. Its totient is φ = 80840344952448.

The previous prime is 202101200000969. The next prime is 202101200001017. The reversal of 202101200001010 is 10100002101202.

It can be written as a sum of positive squares in 4 ways, for example, as 190915927776289 + 11185272224721 = 13817233^2 + 3344439^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202101200001017) 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 7 ways as a sum of consecutive naturals, for example, 10480059 + ... + 22672318.

Almost surely, 2^{202101200001010} is an apocalyptic number.

202101200001010 is a deficient number, since it is larger than the sum of its proper divisors (161681567716646).

202101200001010 is a wasteful number, since it uses less digits than its factorization.

202101200001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33761997.

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

Adding to 202101200001010 its reverse (10100002101202), we get a palindrome (212201202102212).

The spelling of 202101200001010 in words is "two hundred two trillion, one hundred one billion, two hundred million, one thousand, ten".