102002220002 has 8 divisors (see below), whose sum is σ = 153008147676. Its totient is φ = 50999504112.

The previous prime is 102002219989. The next prime is 102002220007. The reversal of 102002220002 is 200022200201.

It can be written as a sum of positive squares in 2 ways, for example, as 68513586001 + 33488634001 = 261751^2 + 182999^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102002220007) 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, 721913 + ... + 851564.

Almost surely, 2^102002220002 is an apocalyptic number.

102002220002 is a deficient number, since it is larger than the sum of its proper divisors (51005927674).

102002220002 is a wasteful number, since it uses less digits than its factorization.

102002220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605892.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 102002220002 its reverse (200022200201), we get a palindrome (302024420203).

The spelling of 102002220002 in words is "one hundred two billion, two million, two hundred twenty thousand, two".