23211321211001 has 16 divisors (see below), whose sum is σ = 28938895853568. Its totient is φ = 18086677693200.

The previous prime is 23211321210949. The next prime is 23211321211007. The reversal of 23211321211001 is 10011212311232.

It is a cyclic number.

It is not a de Polignac number, because 23211321211001 - 2³⁰ = 23210247469177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211321211007) 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, 38641706 + ... + 39237788.

It is an arithmetic number, because the mean of its divisors is an integer number (1808680990848).

Almost surely, 2^{23211321211001} is an apocalyptic number.

It is an amenable number.

23211321211001 is a deficient number, since it is larger than the sum of its proper divisors (5727574642567).

23211321211001 is a wasteful number, since it uses less digits than its factorization.

23211321211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101812.

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

Adding to 23211321211001 its reverse (10011212311232), we get a palindrome (33222533522233).

The spelling of 23211321211001 in words is "twenty-three trillion, two hundred eleven billion, three hundred twenty-one million, two hundred eleven thousand, one".