103112311211 has 24 divisors (see below), whose sum is σ = 127648121760. Its totient is φ = 81555641856.

The previous prime is 103112311201. The next prime is 103112311213. The reversal of 103112311211 is 112113211301.

It is not a de Polignac number, because 103112311211 - 2⁶ = 103112311147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103112311211.

It is not an unprimeable number, because it can be changed into a prime (103112311213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3906125 + ... + 3932433.

It is an arithmetic number, because the mean of its divisors is an integer number (5318671740).

Almost surely, 2^103112311211 is an apocalyptic number.

103112311211 is a deficient number, since it is larger than the sum of its proper divisors (24535810549).

103112311211 is a wasteful number, since it uses less digits than its factorization.

103112311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29655 (or 29642 counting only the distinct ones).

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

Adding to 103112311211 its reverse (112113211301), we get a palindrome (215225522512).

The spelling of 103112311211 in words is "one hundred three billion, one hundred twelve million, three hundred eleven thousand, two hundred eleven".