2002111199918 has 16 divisors (see below), whose sum is σ = 3179860557264. Its totient is φ = 942159047040.

The previous prime is 2002111199917. The next prime is 2002111199929. The reversal of 2002111199918 is 8199911112002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002111199917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149753 + ... + 3731643.

It is an arithmetic number, because the mean of its divisors is an integer number (198741284829).

Almost surely, 2^{2002111199918} is an apocalyptic number.

2002111199918 is a deficient number, since it is larger than the sum of its proper divisors (1177749357346).

2002111199918 is a wasteful number, since it uses less digits than its factorization.

2002111199918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683107.

The product of its (nonzero) digits is 23328, while the sum is 44.

The spelling of 2002111199918 in words is "two trillion, two billion, one hundred eleven million, one hundred ninety-nine thousand, nine hundred eighteen".