1100312211103 has 16 divisors (see below), whose sum is σ = 1284065228800. Its totient is φ = 942461562168.

The previous prime is 1100312211101. The next prime is 1100312211143. The reversal of 1100312211103 is 3011122130011.

It is a happy number.

It is not a de Polignac number, because 1100312211103 - 2¹ = 1100312211101 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 (1100312211101) 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, 639075 + ... + 1615252.

It is an arithmetic number, because the mean of its divisors is an integer number (80254076800).

Almost surely, 2^{1100312211103} is an apocalyptic number.

1100312211103 is a deficient number, since it is larger than the sum of its proper divisors (183753017697).

1100312211103 is an equidigital number, since it uses as much as digits as its factorization.

1100312211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255771 (or 2255757 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1100312211103 its reverse (3011122130011), we get a palindrome (4111434341114).

The spelling of 1100312211103 in words is "one trillion, one hundred billion, three hundred twelve million, two hundred eleven thousand, one hundred three".