1121312101103 has 8 divisors (see below), whose sum is σ = 1204992109872. Its totient is φ = 1039601033856.

The previous prime is 1121312101097. The next prime is 1121312101121. The reversal of 1121312101103 is 3011012131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121312101103 - 2⁸ = 1121312100847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121312161103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492234200 + ... + 492236477.

It is an arithmetic number, because the mean of its divisors is an integer number (150624013734).

Almost surely, 2^{1121312101103} is an apocalyptic number.

1121312101103 is a deficient number, since it is larger than the sum of its proper divisors (83680008769).

1121312101103 is an equidigital number, since it uses as much as digits as its factorization.

1121312101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984470761.

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

Adding to 1121312101103 its reverse (3011012131211), we get a palindrome (4132324232314).

The spelling of 1121312101103 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, one hundred one thousand, one hundred three".