1201101103 has 4 divisors (see below), whose sum is σ = 1210558720. Its totient is φ = 1191643488.

The previous prime is 1201101089. The next prime is 1201101127. The reversal of 1201101103 is 3011011021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011011021 = 67 ⋅44940463.

It is a cyclic number.

It is not a de Polignac number, because 1201101103 - 2¹³ = 1201092911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201101103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201101133) 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, 4728618 + ... + 4728871.

It is an arithmetic number, because the mean of its divisors is an integer number (302639680).

Almost surely, 2^1201101103 is an apocalyptic number.

1201101103 is a deficient number, since it is larger than the sum of its proper divisors (9457617).

1201101103 is an equidigital number, since it uses as much as digits as its factorization.

1201101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457616.

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

The square root of 1201101103 is about 34656.9055600756. The cubic root of 1201101103 is about 1062.9834966362.

Adding to 1201101103 its reverse (3011011021), we get a palindrome (4212112124).

The spelling of 1201101103 in words is "one billion, two hundred one million, one hundred one thousand, one hundred three".