1103323021131 has 16 divisors (see below), whose sum is σ = 1497321980928. Its totient is φ = 722512828800.

The previous prime is 1103323021127. The next prime is 1103323021183. The reversal of 1103323021131 is 1311203233011.

It is a happy number.

It is not a de Polignac number, because 1103323021131 - 2² = 1103323021127 is a prime.

It is a super-2 number, since 2×1103323021131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103323021098 and 1103323021107.

It is not an unprimeable number, because it can be changed into a prime (1103323021831) 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, 9499326 + ... + 9614771.

It is an arithmetic number, because the mean of its divisors is an integer number (93582623808).

Almost surely, 2^{1103323021131} is an apocalyptic number.

1103323021131 is a deficient number, since it is larger than the sum of its proper divisors (393998959797).

1103323021131 is a wasteful number, since it uses less digits than its factorization.

1103323021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19114442.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1103323021131 its reverse (1311203233011), we get a palindrome (2414526254142).

The spelling of 1103323021131 in words is "one trillion, one hundred three billion, three hundred twenty-three million, twenty-one thousand, one hundred thirty-one".