1103343110121 has 12 divisors (see below), whose sum is σ = 1711307681232. Its totient is φ = 630481777128.

The previous prime is 1103343110101. The next prime is 1103343110123. The reversal of 1103343110121 is 1210113433011.

It is not a de Polignac number, because 1103343110121 - 2¹³ = 1103343101929 is a prime.

It is a super-2 number, since 2×1103343110121² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1103343110123) 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, 3752867575 + ... + 3752867868.

It is an arithmetic number, because the mean of its divisors is an integer number (142608973436).

Almost surely, 2^{1103343110121} is an apocalyptic number.

It is an amenable number.

1103343110121 is a deficient number, since it is larger than the sum of its proper divisors (607964571111).

1103343110121 is an equidigital number, since it uses as much as digits as its factorization.

1103343110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505735460 (or 7505735453 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1103343110121 its reverse (1210113433011), we get a palindrome (2313456543132).

The spelling of 1103343110121 in words is "one trillion, one hundred three billion, three hundred forty-three million, one hundred ten thousand, one hundred twenty-one".