1112002001331 has 48 divisors (see below), whose sum is σ = 1657678252032. Its totient is φ = 662076979200.

The previous prime is 1112002001329. The next prime is 1112002001333. The reversal of 1112002001331 is 1331002002111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112002001329) and next prime (1112002001333).

It is not a de Polignac number, because 1112002001331 - 2¹ = 1112002001329 is a prime.

It is a super-2 number, since 2×1112002001331² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112002001331.

It is not an unprimeable number, because it can be changed into a prime (1112002001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130619731 + ... + 130628243.

It is an arithmetic number, because the mean of its divisors is an integer number (34534963584).

Almost surely, 2^{1112002001331} is an apocalyptic number.

1112002001331 is a deficient number, since it is larger than the sum of its proper divisors (545676250701).

1112002001331 is a wasteful number, since it uses less digits than its factorization.

1112002001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16884 (or 16871 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1112002001331 its reverse (1331002002111), we get a palindrome (2443004003442).

The spelling of 1112002001331 in words is "one trillion, one hundred twelve billion, two million, one thousand, three hundred thirty-one".