1002003101112 has 128 divisors (see below), whose sum is σ = 2708011676160. Its totient is φ = 307132439040.

The previous prime is 1002003101089. The next prime is 1002003101159. The reversal of 1002003101112 is 2111013002001.

1002003101112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97589403 + ... + 97599669.

It is an arithmetic number, because the mean of its divisors is an integer number (21156341220).

Almost surely, 2^{1002003101112} is an apocalyptic number.

1002003101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002003101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354005838080).

1002003101112 is an abundant number, since it is smaller than the sum of its proper divisors (1706008575048).

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

1002003101112 is a wasteful number, since it uses less digits than its factorization.

1002003101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453 (or 11449 counting only the distinct ones).

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

Adding to 1002003101112 its reverse (2111013002001), we get a palindrome (3113016103113).

The spelling of 1002003101112 in words is "one trillion, two billion, three million, one hundred one thousand, one hundred twelve".