1100200021012 has 24 divisors (see below), whose sum is σ = 1954214115840. Its totient is φ = 541854202560.

The previous prime is 1100200021007. The next prime is 1100200021013. The reversal of 1100200021012 is 2101200020011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100200021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100200021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247712 + ... + 4499272.

It is an arithmetic number, because the mean of its divisors is an integer number (81425588160).

Almost surely, 2^{1100200021012} is an apocalyptic number.

It is an amenable number.

1100200021012 is a deficient number, since it is larger than the sum of its proper divisors (854014094828).

1100200021012 is a wasteful number, since it uses less digits than its factorization.

1100200021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267951 (or 267949 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1100200021012 its reverse (2101200020011), we get a palindrome (3201400041023).

The spelling of 1100200021012 in words is "one trillion, one hundred billion, two hundred million, twenty-one thousand, twelve".