1201110101303 has 10 divisors (see below), whose sum is σ = 1401211745304. Its totient is φ = 1029522941916.

The previous prime is 1201110101297. The next prime is 1201110101417. The reversal of 1201110101303 is 3031010111021.

It is a happy number.

It is not a de Polignac number, because 1201110101303 - 2⁸ = 1201110101047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201110101003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 250124651 + ... + 250129452.

Almost surely, 2^{1201110101303} is an apocalyptic number.

1201110101303 is a deficient number, since it is larger than the sum of its proper divisors (200101644001).

1201110101303 is an frugal number, since it uses more digits than its factorization.

1201110101303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500254131 (or 500254110 counting only the distinct ones).

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

Adding to 1201110101303 its reverse (3031010111021), we get a palindrome (4232120212324).

The spelling of 1201110101303 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred one thousand, three hundred three".