1100111021012 has 12 divisors (see below), whose sum is σ = 1925767455360. Its totient is φ = 549891748056.

The previous prime is 1100111020999. The next prime is 1100111021047. The reversal of 1100111021012 is 2101201110011.

It is a junction number, because it is equal to n+sod(n) for n = 1100111020984 and 1100111021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40925498 + ... + 40952369.

It is an arithmetic number, because the mean of its divisors is an integer number (160480621280).

Almost surely, 2^{1100111021012} is an apocalyptic number.

It is an amenable number.

1100111021012 is a deficient number, since it is larger than the sum of its proper divisors (825656434348).

1100111021012 is a wasteful number, since it uses less digits than its factorization.

1100111021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81881230 (or 81881228 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100111021012 its reverse (2101201110011), we get a palindrome (3201312131023).

The spelling of 1100111021012 in words is "one trillion, one hundred billion, one hundred eleven million, twenty-one thousand, twelve".