102001112002 has 8 divisors (see below), whose sum is σ = 153054272700. Its totient is φ = 50983021104.

The previous prime is 102001111973. The next prime is 102001112009. The reversal of 102001112002 is 200211100201.

It can be written as a sum of positive squares in 2 ways, for example, as 78484582801 + 23516529201 = 280151^2 + 153351^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 102001112002.

It is not an unprimeable number, because it can be changed into a prime (102001112009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8760177 + ... + 8771812.

Almost surely, 2^102001112002 is an apocalyptic number.

102001112002 is a deficient number, since it is larger than the sum of its proper divisors (51053160698).

102001112002 is a wasteful number, since it uses less digits than its factorization.

102001112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17534900.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102001112002 its reverse (200211100201), we get a palindrome (302212212203).

The spelling of 102001112002 in words is "one hundred two billion, one million, one hundred twelve thousand, two".