202110012001 has 4 divisors (see below), whose sum is σ = 203898596292. Its totient is φ = 200321427712.

The previous prime is 202110011947. The next prime is 202110012023. The reversal of 202110012001 is 100210011202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55401861376 + 146708150625 = 235376^2 + 383025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202110012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202110012061) 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 3 ways as a sum of consecutive naturals, for example, 894291976 + ... + 894292201.

It is an arithmetic number, because the mean of its divisors is an integer number (50974649073).

Almost surely, 2^202110012001 is an apocalyptic number.

It is an amenable number.

202110012001 is a deficient number, since it is larger than the sum of its proper divisors (1788584291).

202110012001 is a wasteful number, since it uses less digits than its factorization.

202110012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788584290.

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

Adding to 202110012001 its reverse (100210011202), we get a palindrome (302320023203).

The spelling of 202110012001 in words is "two hundred two billion, one hundred ten million, twelve thousand, one".