1002111031103 has 16 divisors (see below), whose sum is σ = 1233392892480. Its totient is φ = 792862684416.

The previous prime is 1002111031099. The next prime is 1002111031111. The reversal of 1002111031103 is 3011301112001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1002111031103 - 2² = 1002111031099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002111039103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6284801 + ... + 6442277.

It is an arithmetic number, because the mean of its divisors is an integer number (77087055780).

Almost surely, 2^{1002111031103} is an apocalyptic number.

1002111031103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002111031103 is a deficient number, since it is larger than the sum of its proper divisors (231281861377).

1002111031103 is a wasteful number, since it uses less digits than its factorization.

1002111031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227426.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1002111031103 its reverse (3011301112001), we get a palindrome (4013412143104).

The spelling of 1002111031103 in words is "one trillion, two billion, one hundred eleven million, thirty-one thousand, one hundred three".