11020011001 has 16 divisors (see below), whose sum is σ = 11670739200. Its totient is φ = 10376553600.

The previous prime is 11020010983. The next prime is 11020011007. The reversal of 11020011001 is 10011002011.

It is not a de Polignac number, because 11020011001 - 2²¹ = 11017913849 is a prime.

It is a super-2 number, since 2×11020011001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020011007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298715 + ... + 2303503.

It is an arithmetic number, because the mean of its divisors is an integer number (729421200).

Almost surely, 2^11020011001 is an apocalyptic number.

It is an amenable number.

11020011001 is a deficient number, since it is larger than the sum of its proper divisors (650728199).

11020011001 is a wasteful number, since it uses less digits than its factorization.

11020011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11020011001 its reverse (10011002011), we get a palindrome (21031013012).

The spelling of 11020011001 in words is "eleven billion, twenty million, eleven thousand, one".