103111221133 has 16 divisors (see below), whose sum is σ = 114820485120. Its totient is φ = 92095508736.

The previous prime is 103111221091. The next prime is 103111221137. The reversal of 103111221133 is 331122111301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103111221133 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 103111221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111221137) 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 15 ways as a sum of consecutive naturals, for example, 988578 + ... + 1087891.

It is an arithmetic number, because the mean of its divisors is an integer number (7176280320).

Almost surely, 2^103111221133 is an apocalyptic number.

It is an amenable number.

103111221133 is a deficient number, since it is larger than the sum of its proper divisors (11709263987).

103111221133 is a wasteful number, since it uses less digits than its factorization.

103111221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076636.

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

Adding to 103111221133 its reverse (331122111301), we get a palindrome (434233332434).

The spelling of 103111221133 in words is "one hundred three billion, one hundred eleven million, two hundred twenty-one thousand, one hundred thirty-three".