1101101244403 has 4 divisors (see below), whose sum is σ = 1101345558040. Its totient is φ = 1100856930768.

The previous prime is 1101101244379. The next prime is 1101101244409. The reversal of 1101101244403 is 3044421011011.

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 1101101244403 - 2²⁵ = 1101067689971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101101244409) 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, 122150058 + ... + 122159071.

It is an arithmetic number, because the mean of its divisors is an integer number (275336389510).

Almost surely, 2^{1101101244403} is an apocalyptic number.

1101101244403 is a deficient number, since it is larger than the sum of its proper divisors (244313637).

1101101244403 is an equidigital number, since it uses as much as digits as its factorization.

1101101244403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244313636.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1101101244403 its reverse (3044421011011), we get a palindrome (4145522255414).

The spelling of 1101101244403 in words is "one trillion, one hundred one billion, one hundred one million, two hundred forty-four thousand, four hundred three".