1002111112331 has 16 divisors (see below), whose sum is σ = 1159844582400. Its totient is φ = 848022784128.

The previous prime is 1002111112309. The next prime is 1002111112397. The reversal of 1002111112331 is 1332111112001.

It is a cyclic number.

It is not a de Polignac number, because 1002111112331 - 2⁶ = 1002111112267 is a prime.

It is a super-2 number, since 2×1002111112331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002111112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9594035 + ... + 9697923.

It is an arithmetic number, because the mean of its divisors is an integer number (72490286400).

Almost surely, 2^{1002111112331} is an apocalyptic number.

1002111112331 is a deficient number, since it is larger than the sum of its proper divisors (157733470069).

1002111112331 is a wasteful number, since it uses less digits than its factorization.

1002111112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121418.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1002111112331 its reverse (1332111112001), we get a palindrome (2334222224332).

The spelling of 1002111112331 in words is "one trillion, two billion, one hundred eleven million, one hundred twelve thousand, three hundred thirty-one".