1103221223013 has 96 divisors (see below), whose sum is σ = 1963778052096. Its totient is φ = 544774108032.

The previous prime is 1103221222991. The next prime is 1103221223017. The reversal of 1103221223013 is 3103221223011.

It is not a de Polignac number, because 1103221223013 - 2¹⁶ = 1103221157477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103221223017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1798770 + ... + 2332812.

It is an arithmetic number, because the mean of its divisors is an integer number (20456021376).

Almost surely, 2^{1103221223013} is an apocalyptic number.

1103221223013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1103221223013 is a deficient number, since it is larger than the sum of its proper divisors (860556829083).

1103221223013 is a wasteful number, since it uses less digits than its factorization.

1103221223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534143 (or 534136 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103221223013 its reverse (3103221223011), we get a palindrome (4206442446024).

The spelling of 1103221223013 in words is "one trillion, one hundred three billion, two hundred twenty-one million, two hundred twenty-three thousand, thirteen".