1311102220023 has 12 divisors (see below), whose sum is σ = 1894395819888. Its totient is φ = 873799761120.

The previous prime is 1311102220003. The next prime is 1311102220063. The reversal of 1311102220023 is 3200222011131.

It is not a de Polignac number, because 1311102220023 - 2⁸ = 1311102219767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311102219978 and 1311102220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311102220003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22334523 + ... + 22393148.

It is an arithmetic number, because the mean of its divisors is an integer number (157866318324).

Almost surely, 2^{1311102220023} is an apocalyptic number.

1311102220023 is a deficient number, since it is larger than the sum of its proper divisors (583293599865).

1311102220023 is a wasteful number, since it uses less digits than its factorization.

1311102220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44730934 (or 44730931 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1311102220023 its reverse (3200222011131), we get a palindrome (4511324231154).

The spelling of 1311102220023 in words is "one trillion, three hundred eleven billion, one hundred two million, two hundred twenty thousand, twenty-three".