1100021011011 has 48 divisors (see below), whose sum is σ = 1751219005536. Its totient is φ = 661087139328.

The previous prime is 1100021010989. The next prime is 1100021011073. The reversal of 1100021011011 is 1101101200011.

It is not a de Polignac number, because 1100021011011 - 2¹⁷ = 1100020879939 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1100021010984 and 1100021011002.

It is not an unprimeable number, because it can be changed into a prime (1100021011211) 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, 40702375 + ... + 40729391.

It is an arithmetic number, because the mean of its divisors is an integer number (36483729282).

Almost surely, 2^{1100021011011} is an apocalyptic number.

1100021011011 is a deficient number, since it is larger than the sum of its proper divisors (651197994525).

1100021011011 is a wasteful number, since it uses less digits than its factorization.

1100021011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35172 (or 35169 counting only the distinct ones).

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

Adding to 1100021011011 its reverse (1101101200011), we get a palindrome (2201122211022).

The spelling of 1100021011011 in words is "one trillion, one hundred billion, twenty-one million, eleven thousand, eleven".