11231122001 has 16 divisors (see below), whose sum is σ = 12738384000. Its totient is φ = 9808444800.

The previous prime is 11231121989. The next prime is 11231122037. The reversal of 11231122001 is 10022113211.

11231122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11231122001 - 2¹⁴ = 11231105617 is a prime.

It is a super-2 number, since 2×11231122001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11231122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24980 + ... + 151941.

It is an arithmetic number, because the mean of its divisors is an integer number (796149000).

Almost surely, 2^11231122001 is an apocalyptic number.

11231122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11231122001 is a deficient number, since it is larger than the sum of its proper divisors (1507261999).

11231122001 is a wasteful number, since it uses less digits than its factorization.

11231122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177160.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11231122001 its reverse (10022113211), we get a palindrome (21253235212).

It can be divided in two parts, 112 and 31122001, that added together give a palindrome (31122113).

The spelling of 11231122001 in words is "eleven billion, two hundred thirty-one million, one hundred twenty-two thousand, one".