2002111199908 has 6 divisors (see below), whose sum is σ = 3503694599846. Its totient is φ = 1001055599952.

The previous prime is 2002111199813. The next prime is 2002111199909. The reversal of 2002111199908 is 8099911112002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1787734791844 + 214376408064 = 1337062^2 + 463008^2 .

It is not an unprimeable number, because it can be changed into a prime (2002111199909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250263899985 + ... + 250263899992.

Almost surely, 2^{2002111199908} is an apocalyptic number.

It is an amenable number.

2002111199908 is a deficient number, since it is larger than the sum of its proper divisors (1501583399938).

2002111199908 is a wasteful number, since it uses less digits than its factorization.

2002111199908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500527799981 (or 500527799979 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 2002111199908 in words is "two trillion, two billion, one hundred eleven million, one hundred ninety-nine thousand, nine hundred eight".