1002101001 has 8 divisors (see below), whose sum is σ = 1457601504. Its totient is φ = 607333920.

The previous prime is 1002100973. The next prime is 1002101011. The reversal of 1002101001 is 1001012001.

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

It is not a de Polignac number, because 1002101001 - 2⁷ = 1002100873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002101011) 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 7 ways as a sum of consecutive naturals, for example, 15183316 + ... + 15183381.

It is an arithmetic number, because the mean of its divisors is an integer number (182200188).

Almost surely, 2^1002101001 is an apocalyptic number.

1002101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002101001 is a deficient number, since it is larger than the sum of its proper divisors (455500503).

1002101001 is a wasteful number, since it uses less digits than its factorization.

1002101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30366711.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1002101001 is about 31655.9789139429. The cubic root of 1002101001 is about 1000.6998437711.

Adding to 1002101001 its reverse (1001012001), we get a palindrome (2003113002).

The spelling of 1002101001 in words is "one billion, two million, one hundred one thousand, one".