1100012101003 has 4 divisors (see below), whose sum is σ = 1157907474760. Its totient is φ = 1042116727248.

The previous prime is 1100012100947. The next prime is 1100012101007. The reversal of 1100012101003 is 3001012100011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100012101003 - 2³³ = 1091422166411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100012101007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28947686850 + ... + 28947686887.

It is an arithmetic number, because the mean of its divisors is an integer number (289476868690).

Almost surely, 2^{1100012101003} is an apocalyptic number.

1100012101003 is a deficient number, since it is larger than the sum of its proper divisors (57895373757).

1100012101003 is an equidigital number, since it uses as much as digits as its factorization.

1100012101003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57895373756.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1100012101003 its reverse (3001012100011), we get a palindrome (4101024201014).

The spelling of 1100012101003 in words is "one trillion, one hundred billion, twelve million, one hundred one thousand, three".