11321123212001 has 16 divisors (see below), whose sum is σ = 11479482962304. Its totient is φ = 11163621947904.

The previous prime is 11321123211971. The next prime is 11321123212043. The reversal of 11321123212001 is 10021232112311.

11321123212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11321123212001 - 2²² = 11321119017697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11321023212001) 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, 366922091 + ... + 366952943.

It is an arithmetic number, because the mean of its divisors is an integer number (717467685144).

Almost surely, 2^{11321123212001} is an apocalyptic number.

It is an amenable number.

11321123212001 is a deficient number, since it is larger than the sum of its proper divisors (158359750303).

11321123212001 is a wasteful number, since it uses less digits than its factorization.

11321123212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44600.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11321123212001 its reverse (10021232112311), we get a palindrome (21342355324312).

The spelling of 11321123212001 in words is "eleven trillion, three hundred twenty-one billion, one hundred twenty-three million, two hundred twelve thousand, one".