1002012101103 has 24 divisors (see below), whose sum is σ = 1448334775440. Its totient is φ = 615922644480.

The previous prime is 1002012101059. The next prime is 1002012101119. The reversal of 1002012101103 is 3011012102001.

It is not a de Polignac number, because 1002012101103 - 2⁹ = 1002012100591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012101173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674988 + ... + 1568321.

It is an arithmetic number, because the mean of its divisors is an integer number (60347282310).

Almost surely, 2^{1002012101103} is an apocalyptic number.

1002012101103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002012101103 is a deficient number, since it is larger than the sum of its proper divisors (446322674337).

1002012101103 is a wasteful number, since it uses less digits than its factorization.

1002012101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244219 (or 2244206 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1002012101103 its reverse (3011012102001), we get a palindrome (4013024203104).

The spelling of 1002012101103 in words is "one trillion, two billion, twelve million, one hundred one thousand, one hundred three".