1001112100002 has 80 divisors (see below), whose sum is σ = 2564082989952. Its totient is φ = 285988682880.

The previous prime is 1001112099973. The next prime is 1001112100019. The reversal of 1001112100002 is 2000012111001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7830363 + ... + 7957185.

Almost surely, 2^{1001112100002} is an apocalyptic number.

1001112100002 is an abundant number, since it is smaller than the sum of its proper divisors (1562970889950).

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

1001112100002 is a wasteful number, since it uses less digits than its factorization.

1001112100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133805 (or 133796 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001112100002 its reverse (2000012111001), we get a palindrome (3001124211003).

The spelling of 1001112100002 in words is "one trillion, one billion, one hundred twelve million, one hundred thousand, two".