1100011312103 has 16 divisors (see below), whose sum is σ = 1244740459776. Its totient is φ = 963374005440.

The previous prime is 1100011312087. The next prime is 1100011312111. The reversal of 1100011312103 is 3012131100011.

It is a happy number.

It is not a de Polignac number, because 1100011312103 - 2⁴ = 1100011312087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100011312003) 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, 15894275 + ... + 15963332.

It is an arithmetic number, because the mean of its divisors is an integer number (77796278736).

Almost surely, 2^{1100011312103} is an apocalyptic number.

1100011312103 is a deficient number, since it is larger than the sum of its proper divisors (144729147673).

1100011312103 is a wasteful number, since it uses less digits than its factorization.

1100011312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857734.

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

Adding to 1100011312103 its reverse (3012131100011), we get a palindrome (4112142412114).

The spelling of 1100011312103 in words is "one trillion, one hundred billion, eleven million, three hundred twelve thousand, one hundred three".