1103331312220 has 48 divisors (see below), whose sum is σ = 2345161583520. Its totient is φ = 435968741376.

The previous prime is 1103331312217. The next prime is 1103331312233. The reversal of 1103331312220 is 222131333011.

It is a junction number, because it is equal to n+sod(n) for n = 1103331312191 and 1103331312200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18417676 + ... + 18477484.

It is an arithmetic number, because the mean of its divisors is an integer number (48857532990).

Almost surely, 2^{1103331312220} is an apocalyptic number.

1103331312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103331312220 is an abundant number, since it is smaller than the sum of its proper divisors (1241830271300).

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

1103331312220 is a wasteful number, since it uses less digits than its factorization.

1103331312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71014 (or 71012 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103331312220 its reverse (222131333011), we get a palindrome (1325462645231).

The spelling of 1103331312220 in words is "one trillion, one hundred three billion, three hundred thirty-one million, three hundred twelve thousand, two hundred twenty".