1100321112012 has 48 divisors (see below), whose sum is σ = 2576099618400. Its totient is φ = 365535106560.

The previous prime is 1100321111969. The next prime is 1100321112041. The reversal of 1100321112012 is 2102111230011.

It is a junction number, because it is equal to n+sod(n) for n = 1100321111982 and 1100321112000.

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, 4466064 + ... + 4705992.

It is an arithmetic number, because the mean of its divisors is an integer number (53668742050).

Almost surely, 2^{1100321112012} is an apocalyptic number.

1100321112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100321112012 is an abundant number, since it is smaller than the sum of its proper divisors (1475778506388).

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

1100321112012 is a wasteful number, since it uses less digits than its factorization.

1100321112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241226 (or 241224 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1100321112012 its reverse (2102111230011), we get a palindrome (3202432342023).

The spelling of 1100321112012 in words is "one trillion, one hundred billion, three hundred twenty-one million, one hundred twelve thousand, twelve".