1100203100012 has 12 divisors (see below), whose sum is σ = 1966320434400. Its totient is φ = 538397261616.

The previous prime is 1100203099979. The next prime is 1100203100053. The reversal of 1100203100012 is 2100013020011.

It is a super-2 number, since 2×1100203100012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100203099966 and 1100203100002.

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, 2926071887 + ... + 2926072262.

It is an arithmetic number, because the mean of its divisors is an integer number (163860036200).

Almost surely, 2^{1100203100012} is an apocalyptic number.

It is an amenable number.

1100203100012 is a deficient number, since it is larger than the sum of its proper divisors (866117334388).

1100203100012 is a wasteful number, since it uses less digits than its factorization.

1100203100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852144200 (or 5852144198 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1100203100012 its reverse (2100013020011), we get a palindrome (3200216120023).

The spelling of 1100203100012 in words is "one trillion, one hundred billion, two hundred three million, one hundred thousand, twelve".