11012020011001 has 16 divisors (see below), whose sum is σ = 11596994519040. Its totient is φ = 10427586051600.

The previous prime is 11012020010917. The next prime is 11012020011011. The reversal of 11012020011001 is 10011002021011.

It is a cyclic number.

It is not a de Polignac number, because 11012020011001 - 2¹⁵ = 11012019978233 is a prime.

It is a super-2 number, since 2×11012020011001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012020011011) 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, 708115176 + ... + 708130726.

It is an arithmetic number, because the mean of its divisors is an integer number (724812157440).

Almost surely, 2^{11012020011001} is an apocalyptic number.

It is an amenable number.

11012020011001 is a deficient number, since it is larger than the sum of its proper divisors (584974508039).

11012020011001 is a wasteful number, since it uses less digits than its factorization.

11012020011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30516.

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

Adding to 11012020011001 its reverse (10011002021011), we get a palindrome (21023022032012).

The spelling of 11012020011001 in words is "eleven trillion, twelve billion, twenty million, eleven thousand, one".