1213233221103 has 16 divisors (see below), whose sum is σ = 1661143597056. Its totient is φ = 787312824480.

The previous prime is 1213233221059. The next prime is 1213233221117. The reversal of 1213233221103 is 3011223323121.

It is not a de Polignac number, because 1213233221103 - 2¹⁴ = 1213233204719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213233221153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30020743 + ... + 30061128.

It is an arithmetic number, because the mean of its divisors is an integer number (103821474816).

Almost surely, 2^{1213233221103} is an apocalyptic number.

1213233221103 is a deficient number, since it is larger than the sum of its proper divisors (447910375953).

1213233221103 is a wasteful number, since it uses less digits than its factorization.

1213233221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60082054.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213233221103 its reverse (3011223323121), we get a palindrome (4224456544224).

The spelling of 1213233221103 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred three".