202110011001 has 20 divisors (see below), whose sum is σ = 302517718272.
Its totient is φ = 134472107448.
The previous prime is 202110010997. The next prime is 202110011041. The reversal of 202110011001 is 100110011202.
Adding to 202110011001 its reverse (100110011202), we get a palindrome (302220022203).
It is a happy number.
202110011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 202110011001 - 22 = 202110010997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (202110011041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2439561 + ... + 2521046.
Almost surely, 2202110011001 is an apocalyptic number.
It is an amenable number.
202110011001 is a deficient number, since it is larger than the sum of its proper divisors (100407707271).
202110011001 is an equidigital number, since it uses as much as digits as its factorization.
202110011001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4961122 (or 4961113 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The spelling of 202110011001 in words is "two hundred two billion, one hundred ten million, eleven thousand, one".