2002100022105 has 8 divisors (see below), whose sum is σ = 3203360035392. Its totient is φ = 1067786678448.

The previous prime is 2002100022103. The next prime is 2002100022121. The reversal of 2002100022105 is 5012200012002.

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

It is not a de Polignac number, because 2002100022105 - 2¹ = 2002100022103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 133473334807 = 2002100022105 / (2 + 0 + 0 + 2 + 1 + 0 + 0 + 0 + 2 + 2 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (2002100022101) by changing a digit.

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, 66736667389 + ... + 66736667418.

It is an arithmetic number, because the mean of its divisors is an integer number (400420004424).

Almost surely, 2^{2002100022105} is an apocalyptic number.

It is an amenable number.

2002100022105 is a deficient number, since it is larger than the sum of its proper divisors (1201260013287).

2002100022105 is a wasteful number, since it uses less digits than its factorization.

2002100022105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133473334815.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 2002100022105 its reverse (5012200012002), we get a palindrome (7014300034107).

The spelling of 2002100022105 in words is "two trillion, two billion, one hundred million, twenty-two thousand, one hundred five".