1103231103220 has 24 divisors (see below), whose sum is σ = 2326398544008. Its totient is φ = 439461350400.

The previous prime is 1103231103217. The next prime is 1103231103239. The reversal of 1103231103220 is 223011323011.

It can be written as a sum of positive squares in 4 ways, for example, as 23286149604 + 1079944953616 = 152598^2 + 1039204^2 .

It is a super-2 number, since 2×1103231103220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114438241 + ... + 114447880.

It is an arithmetic number, because the mean of its divisors is an integer number (96933272667).

Almost surely, 2^{1103231103220} is an apocalyptic number.

1103231103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103231103220 is an abundant number, since it is smaller than the sum of its proper divisors (1223167440788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103231103220 is a wasteful number, since it uses less digits than its factorization.

1103231103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228886371 (or 228886369 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1103231103220 its reverse (223011323011), we get a palindrome (1326242426231).

The spelling of 1103231103220 in words is "one trillion, one hundred three billion, two hundred thirty-one million, one hundred three thousand, two hundred twenty".