1103331211320 has 128 divisors (see below), whose sum is σ = 3774291474240. Its totient is φ = 255613378560.

The previous prime is 1103331211253. The next prime is 1103331211343. The reversal of 1103331211320 is 231121333011.

It is a happy number.

It is a super-2 number, since 2×1103331211320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20775351 + ... + 20828390.

Almost surely, 2^{1103331211320} is an apocalyptic number.

1103331211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103331211320 is an abundant number, since it is smaller than the sum of its proper divisors (2670960262920).

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

1103331211320 is a wasteful number, since it uses less digits than its factorization.

1103331211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41603785 (or 41603781 counting only the distinct ones).

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

Adding to 1103331211320 its reverse (231121333011), we get a palindrome (1334452544331).

The spelling of 1103331211320 in words is "one trillion, one hundred three billion, three hundred thirty-one million, two hundred eleven thousand, three hundred twenty".