1100312121320 has 32 divisors (see below), whose sum is σ = 2606002394400. Its totient is φ = 416960382528.

The previous prime is 1100312121313. The next prime is 1100312121379. The reversal of 1100312121320 is 231212130011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723888794 + ... + 723890313.

It is an arithmetic number, because the mean of its divisors is an integer number (81437574825).

Almost surely, 2^{1100312121320} is an apocalyptic number.

1100312121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100312121320 is an abundant number, since it is smaller than the sum of its proper divisors (1505690273080).

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

1100312121320 is a wasteful number, since it uses less digits than its factorization.

1100312121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447779137 (or 1447779133 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1100312121320 its reverse (231212130011), we get a palindrome (1331524251331).

The spelling of 1100312121320 in words is "one trillion, one hundred billion, three hundred twelve million, one hundred twenty-one thousand, three hundred twenty".