1100020111012 has 48 divisors (see below), whose sum is σ = 1968102348912. Its totient is φ = 537844008960.

The previous prime is 1100020111007. The next prime is 1100020111031. The reversal of 1100020111012 is 2101110200011.

It can be written as a sum of positive squares in 8 ways, for example, as 123611309056 + 976408801956 = 351584^2 + 988134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100020111012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32826538 + ... + 32860030.

It is an arithmetic number, because the mean of its divisors is an integer number (41002132269).

Almost surely, 2^{1100020111012} is an apocalyptic number.

It is an amenable number.

1100020111012 is a deficient number, since it is larger than the sum of its proper divisors (868082237900).

1100020111012 is a wasteful number, since it uses less digits than its factorization.

1100020111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34528 (or 34526 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100020111012 its reverse (2101110200011), we get a palindrome (3201130311023).

The spelling of 1100020111012 in words is "one trillion, one hundred billion, twenty million, one hundred eleven thousand, twelve".