11001233023121 has 8 divisors (see below), whose sum is σ = 12004930858464. Its totient is φ = 9998132811520.

The previous prime is 11001233023111. The next prime is 11001233023129. The reversal of 11001233023121 is 12132033210011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001233023121 - 2¹⁴ = 11001233006737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001233023093 and 11001233023102.

It is not an unprimeable number, because it can be changed into a prime (11001233023129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149367440 + ... + 149441073.

It is an arithmetic number, because the mean of its divisors is an integer number (1500616357308).

Almost surely, 2^{11001233023121} is an apocalyptic number.

11001233023121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001233023121 is a deficient number, since it is larger than the sum of its proper divisors (1003697835343).

11001233023121 is a wasteful number, since it uses less digits than its factorization.

11001233023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298811871.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11001233023121 its reverse (12132033210011), we get a palindrome (23133266233132).

It can be divided in two parts, 110012 and 33023121, that added together give a palindrome (33133133).

The spelling of 11001233023121 in words is "eleven trillion, one billion, two hundred thirty-three million, twenty-three thousand, one hundred twenty-one".