111313333231220 has 48 divisors (see below), whose sum is σ = 234112723141248. Its totient is φ = 44457809946240.

The previous prime is 111313333231211. The next prime is 111313333231259. The reversal of 111313333231220 is 22132333313111.

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, 40118057 + ... + 42802863.

It is an arithmetic number, because the mean of its divisors is an integer number (4877348398776).

Almost surely, 2^{111313333231220} is an apocalyptic number.

111313333231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111313333231220 is an abundant number, since it is smaller than the sum of its proper divisors (122799389910028).

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

111313333231220 is a wasteful number, since it uses less digits than its factorization.

111313333231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687960 (or 2687958 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 111313333231220 its reverse (22132333313111), we get a palindrome (133445666544331).

The spelling of 111313333231220 in words is "one hundred eleven trillion, three hundred thirteen billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty".