1103210123311 has 4 divisors (see below), whose sum is σ = 1103662075824. Its totient is φ = 1102758170800.

The previous prime is 1103210123299. The next prime is 1103210123359. The reversal of 1103210123311 is 1133210123011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103210123311 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 (1103210121311) 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, 225972595 + ... + 225977476.

It is an arithmetic number, because the mean of its divisors is an integer number (275915518956).

Almost surely, 2^{1103210123311} is an apocalyptic number.

1103210123311 is a deficient number, since it is larger than the sum of its proper divisors (451952513).

1103210123311 is an equidigital number, since it uses as much as digits as its factorization.

1103210123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451952512.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1103210123311 its reverse (1133210123011), we get a palindrome (2236420246322).

The spelling of 1103210123311 in words is "one trillion, one hundred three billion, two hundred ten million, one hundred twenty-three thousand, three hundred eleven".