1103003212103 has 32 divisors (see below), whose sum is σ = 1296031779840. Its totient is φ = 929955945600.

The previous prime is 1103003212093. The next prime is 1103003212111. The reversal of 1103003212103 is 3012123003011.

It is a cyclic number.

It is not a de Polignac number, because 1103003212103 - 2¹² = 1103003208007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103003212153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68753 + ... + 1486853.

It is an arithmetic number, because the mean of its divisors is an integer number (40500993120).

Almost surely, 2^{1103003212103} is an apocalyptic number.

1103003212103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1103003212103 is a deficient number, since it is larger than the sum of its proper divisors (193028567737).

1103003212103 is a wasteful number, since it uses less digits than its factorization.

1103003212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418247.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1103003212103 its reverse (3012123003011), we get a palindrome (4115126215114).

The spelling of 1103003212103 in words is "one trillion, one hundred three billion, three million, two hundred twelve thousand, one hundred three".