11101210103243 has 6 divisors (see below), whose sum is σ = 12020836975884. Its totient is φ = 10247270864376.

The previous prime is 11101210103239. The next prime is 11101210103317. The reversal of 11101210103243 is 34230101210111.

It is not a de Polignac number, because 11101210103243 - 2² = 11101210103239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101210103213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32843816705 + ... + 32843817042.

It is an arithmetic number, because the mean of its divisors is an integer number (2003472829314).

Almost surely, 2^{11101210103243} is an apocalyptic number.

11101210103243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11101210103243 is a deficient number, since it is larger than the sum of its proper divisors (919626872641).

11101210103243 is an equidigital number, since it uses as much as digits as its factorization.

11101210103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65687633773 (or 65687633760 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11101210103243 its reverse (34230101210111), we get a palindrome (45331311313354).

The spelling of 11101210103243 in words is "eleven trillion, one hundred one billion, two hundred ten million, one hundred three thousand, two hundred forty-three".