100001001002 has 32 divisors (see below), whose sum is σ = 177369314304. Its totient is φ = 41379206400.

The previous prime is 100001000999. The next prime is 100001001011. The reversal of 100001001002 is 200100100001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78149 + ... + 453992.

It is an arithmetic number, because the mean of its divisors is an integer number (5542791072).

Almost surely, 2^100001001002 is an apocalyptic number.

100001001002 is a deficient number, since it is larger than the sum of its proper divisors (77368313302).

100001001002 is a wasteful number, since it uses less digits than its factorization.

100001001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532614.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 100001001002 its reverse (200100100001), we get a palindrome (300101101003).

The spelling of 100001001002 in words is "one hundred billion, one million, one thousand, two".