202001001001 has 8 divisors (see below), whose sum is σ = 205568190464. Its totient is φ = 198464696640.

The previous prime is 202001000969. The next prime is 202001001017. The reversal of 202001001001 is 100100100202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202001001001 - 2⁵ = 202001000969 is a prime.

It is a Duffinian number.

202001001001 is a modest number, since divided by 1001001 gives 202 as remainder.

It is not an unprimeable number, because it can be changed into a prime (202001001101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708080 + ... + 7734241.

It is an arithmetic number, because the mean of its divisors is an integer number (25696023808).

Almost surely, 2^202001001001 is an apocalyptic number.

It is an amenable number.

202001001001 is a deficient number, since it is larger than the sum of its proper divisors (3567189463).

202001001001 is a wasteful number, since it uses less digits than its factorization.

202001001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442551.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 202001001001 its reverse (100100100202), we get a palindrome (302101101203).

It can be divided in two parts, 20200 and 1001001, that added together give a palindrome (1021201).

The spelling of 202001001001 in words is "two hundred two billion, one million, one thousand, one".