1111001201103 has 4 divisors (see below), whose sum is σ = 1481334934808. Its totient is φ = 740667467400.

The previous prime is 1111001201087. The next prime is 1111001201137. The reversal of 1111001201103 is 3011021001111.

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

It is not a de Polignac number, because 1111001201103 - 2⁴ = 1111001201087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111001201003) 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, 185166866848 + ... + 185166866853.

It is an arithmetic number, because the mean of its divisors is an integer number (370333733702).

Almost surely, 2^{1111001201103} is an apocalyptic number.

1111001201103 is a deficient number, since it is larger than the sum of its proper divisors (370333733705).

1111001201103 is an equidigital number, since it uses as much as digits as its factorization.

1111001201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370333733704.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1111001201103 its reverse (3011021001111), we get a palindrome (4122022202214).

The spelling of 1111001201103 in words is "one trillion, one hundred eleven billion, one million, two hundred one thousand, one hundred three".