1100012221011 has 48 divisors (see below), whose sum is σ = 1615567726080. Its totient is φ = 665258193600.

The previous prime is 1100012221001. The next prime is 1100012221039. The reversal of 1100012221011 is 1101222100011.

It is not a de Polignac number, because 1100012221011 - 2¹⁹ = 1100011696723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100012221001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549181336 + ... + 549183338.

It is an arithmetic number, because the mean of its divisors is an integer number (33657660960).

Almost surely, 2^{1100012221011} is an apocalyptic number.

1100012221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100012221011 is a deficient number, since it is larger than the sum of its proper divisors (515555505069).

1100012221011 is a wasteful number, since it uses less digits than its factorization.

1100012221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100012221011 its reverse (1101222100011), we get a palindrome (2201234321022).

The spelling of 1100012221011 in words is "one trillion, one hundred billion, twelve million, two hundred twenty-one thousand, eleven".