1100213123103 has 12 divisors (see below), whose sum is σ = 1648055872008. Its totient is φ = 733475415240.

The previous prime is 1100213123083. The next prime is 1100213123111. The reversal of 1100213123103 is 3013213120011.

It is not a de Polignac number, because 1100213123103 - 2²² = 1100208928799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100213123173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2263812768 + ... + 2263813253.

It is an arithmetic number, because the mean of its divisors is an integer number (137337989334).

Almost surely, 2^{1100213123103} is an apocalyptic number.

1100213123103 is a deficient number, since it is larger than the sum of its proper divisors (547842748905).

1100213123103 is an frugal number, since it uses more digits than its factorization.

1100213123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527626036 (or 4527626024 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100213123103 its reverse (3013213120011), we get a palindrome (4113426243114).

The spelling of 1100213123103 in words is "one trillion, one hundred billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred three".