1002110111111 has 8 divisors (see below), whose sum is σ = 1009385319600. Its totient is φ = 994853534400.

The previous prime is 1002110111089. The next prime is 1002110111153. The reversal of 1002110111111 is 1111110112001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002110111111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002110111092 and 1002110111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002110111161) 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, 4549976 + ... + 4765133.

It is an arithmetic number, because the mean of its divisors is an integer number (126173164950).

Almost surely, 2^{1002110111111} is an apocalyptic number.

1002110111111 is a deficient number, since it is larger than the sum of its proper divisors (7275208489).

1002110111111 is an equidigital number, since it uses as much as digits as its factorization.

1002110111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315889.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1002110111111 its reverse (1111110112001), we get a palindrome (2113220223112).

The spelling of 1002110111111 in words is "one trillion, two billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".