1103120221231 has 8 divisors (see below), whose sum is σ = 1261150117280. Its totient is φ = 945200648448.

The previous prime is 1103120221199. The next prime is 1103120221237. The reversal of 1103120221231 is 1321220213011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103120221231 - 2⁵ = 1103120221199 is a prime.

It is a super-2 number, since 2×1103120221231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103120221199 and 1103120221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103120221237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27559386 + ... + 27599383.

It is an arithmetic number, because the mean of its divisors is an integer number (157643764660).

Almost surely, 2^{1103120221231} is an apocalyptic number.

1103120221231 is a deficient number, since it is larger than the sum of its proper divisors (158029896049).

1103120221231 is an equidigital number, since it uses as much as digits as its factorization.

1103120221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55161633.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1103120221231 its reverse (1321220213011), we get a palindrome (2424340434242).

The spelling of 1103120221231 in words is "one trillion, one hundred three billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirty-one".