1331104112220 has 48 divisors (see below), whose sum is σ = 3768968962080. Its totient is φ = 350972768256.

The previous prime is 1331104112207. The next prime is 1331104112243. The reversal of 1331104112220 is 222114011331.

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, 124629877 + ... + 124640556.

It is an arithmetic number, because the mean of its divisors is an integer number (78520186710).

Almost surely, 2^{1331104112220} is an apocalyptic number.

1331104112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331104112220 is an abundant number, since it is smaller than the sum of its proper divisors (2437864849860).

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

1331104112220 is a wasteful number, since it uses less digits than its factorization.

1331104112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249270534 (or 249270532 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1331104112220 its reverse (222114011331), we get a palindrome (1553218123551).

The spelling of 1331104112220 in words is "one trillion, three hundred thirty-one billion, one hundred four million, one hundred twelve thousand, two hundred twenty".