102002100220002 has 16 divisors (see below), whose sum is σ = 204446725826112. Its totient is φ = 33926945842320.

The previous prime is 102002100219977. The next prime is 102002100220021. The reversal of 102002100220002 is 200022001200201.

It is a self number, because there is not a number n which added to its sum of digits gives 102002100220002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18438554758 + ... + 18438560289.

It is an arithmetic number, because the mean of its divisors is an integer number (12777920364132).

Almost surely, 2^{102002100220002} is an apocalyptic number.

102002100220002 is an abundant number, since it is smaller than the sum of its proper divisors (102444625606110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102002100220002 is a wasteful number, since it uses less digits than its factorization.

102002100220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36877115513.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102002100220002 its reverse (200022001200201), we get a palindrome (302024101420203).

The spelling of 102002100220002 in words is "one hundred two trillion, two billion, one hundred million, two hundred twenty thousand, two".