101009100002 has 4 divisors (see below), whose sum is σ = 151513650006. Its totient is φ = 50504550000.

The previous prime is 101009100001. The next prime is 101009100011. The reversal of 101009100002 is 200001900101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97588136881 + 3420963121 = 312391^2 + 58489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101009100002.

It is not an unprimeable number, because it can be changed into a prime (101009100001) 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 as a sum of consecutive naturals, namely, 25252274999 + ... + 25252275002.

Almost surely, 2^101009100002 is an apocalyptic number.

101009100002 is a deficient number, since it is larger than the sum of its proper divisors (50504550004).

101009100002 is an equidigital number, since it uses as much as digits as its factorization.

101009100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50504550003.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 101009100002 in words is "one hundred one billion, nine million, one hundred thousand, two".