1113103211201 has 4 divisors (see below), whose sum is σ = 1143187081812. Its totient is φ = 1083019340592.

The previous prime is 1113103211197. The next prime is 1113103211221. The reversal of 1113103211201 is 1021123013111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1041779496976 + 71323714225 = 1020676^2 + 267065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113103211201 - 2² = 1113103211197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113103211201.

It is not an unprimeable number, because it can be changed into a prime (1113103211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15041935250 + ... + 15041935323.

It is an arithmetic number, because the mean of its divisors is an integer number (285796770453).

Almost surely, 2^{1113103211201} is an apocalyptic number.

It is an amenable number.

1113103211201 is a deficient number, since it is larger than the sum of its proper divisors (30083870611).

1113103211201 is an equidigital number, since it uses as much as digits as its factorization.

1113103211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30083870610.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1113103211201 its reverse (1021123013111), we get a palindrome (2134226224312).

The spelling of 1113103211201 in words is "one trillion, one hundred thirteen billion, one hundred three million, two hundred eleven thousand, two hundred one".