1100120101011 has 12 divisors (see below), whose sum is σ = 1632010000192. Its totient is φ = 713591416656.

The previous prime is 1100120101009. The next prime is 1100120101037. The reversal of 1100120101011 is 1101010210011.

It is not a de Polignac number, because 1100120101011 - 2¹ = 1100120101009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100120100984 and 1100120101002.

It is not an unprimeable number, because it can be changed into a prime (1100120101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1651831651 + ... + 1651832316.

Almost surely, 2^{1100120101011} is an apocalyptic number.

1100120101011 is a deficient number, since it is larger than the sum of its proper divisors (531889899181).

1100120101011 is a wasteful number, since it uses less digits than its factorization.

1100120101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303664010 (or 3303664007 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100120101011 its reverse (1101010210011), we get a palindrome (2201130311022).

The spelling of 1100120101011 in words is "one trillion, one hundred billion, one hundred twenty million, one hundred one thousand, eleven".