1213103022103 has 32 divisors (see below), whose sum is σ = 1418972037120. Its totient is φ = 1015705548000.

The previous prime is 1213103022077. The next prime is 1213103022107. The reversal of 1213103022103 is 3012203013121.

It is a cyclic number.

It is not a de Polignac number, because 1213103022103 - 2⁵ = 1213103022071 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 (1213103022107) 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 31 ways as a sum of consecutive naturals, for example, 23953338 + ... + 24003928.

It is an arithmetic number, because the mean of its divisors is an integer number (44342876160).

Almost surely, 2^{1213103022103} is an apocalyptic number.

1213103022103 is a deficient number, since it is larger than the sum of its proper divisors (205869015017).

1213103022103 is a wasteful number, since it uses less digits than its factorization.

1213103022103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51139.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213103022103 its reverse (3012203013121), we get a palindrome (4225306035224).

It can be divided in two parts, 121310 and 3022103, that added together give a palindrome (3143413).

The spelling of 1213103022103 in words is "one trillion, two hundred thirteen billion, one hundred three million, twenty-two thousand, one hundred three".