202011100001 has 16 divisors (see below), whose sum is σ = 204900537600. Its totient is φ = 199141080000.

The previous prime is 202011099989. The next prime is 202011100019. The reversal of 202011100001 is 100001110202.

It is a cyclic number.

It is not a de Polignac number, because 202011100001 - 2²² = 202006905697 is a prime.

It is a super-2 number, since 2×202011100001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202011100091) 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 15 ways as a sum of consecutive naturals, for example, 22564076 + ... + 22573026.

It is an arithmetic number, because the mean of its divisors is an integer number (12806283600).

Almost surely, 2^202011100001 is an apocalyptic number.

It is an amenable number.

202011100001 is a deficient number, since it is larger than the sum of its proper divisors (2889437599).

202011100001 is a wasteful number, since it uses less digits than its factorization.

202011100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 202011100001 its reverse (100001110202), we get a palindrome (302012210203).

The spelling of 202011100001 in words is "two hundred two billion, eleven million, one hundred thousand, one".