101002021001 has 8 divisors (see below), whose sum is σ = 122220933120. Its totient is φ = 81480621888.

The previous prime is 101002020971. The next prime is 101002021013. The reversal of 101002021001 is 100120200101.

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 101002021001 - 2⁶ = 101002020937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101002021001.

It is not an unprimeable number, because it can be changed into a prime (101002021031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424378121 + ... + 424378358.

It is an arithmetic number, because the mean of its divisors is an integer number (15277616640).

Almost surely, 2^101002021001 is an apocalyptic number.

It is an amenable number.

101002021001 is a deficient number, since it is larger than the sum of its proper divisors (21218912119).

101002021001 is an equidigital number, since it uses as much as digits as its factorization.

101002021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848756503.

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

Adding to 101002021001 its reverse (100120200101), we get a palindrome (201122221102).

The spelling of 101002021001 in words is "one hundred one billion, two million, twenty-one thousand, one".