1002111112004 has 24 divisors (see below), whose sum is σ = 1830025917888. Its totient is φ = 479248561440.

The previous prime is 1002111112003. The next prime is 1002111112097. The reversal of 1002111112004 is 4002111112001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002111112004.

It is not an unprimeable number, because it can be changed into a prime (1002111112003) 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, 1864979 + ... + 2341445.

It is an arithmetic number, because the mean of its divisors is an integer number (76251079912).

Almost surely, 2^{1002111112004} is an apocalyptic number.

It is an amenable number.

1002111112004 is a deficient number, since it is larger than the sum of its proper divisors (827914805884).

1002111112004 is a wasteful number, since it uses less digits than its factorization.

1002111112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499355 (or 499353 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1002111112004 its reverse (4002111112001), we get a palindrome (5004222224005).

The spelling of 1002111112004 in words is "one trillion, two billion, one hundred eleven million, one hundred twelve thousand, four".