23212111113201 has 4 divisors (see below), whose sum is σ = 30949481484272. Its totient is φ = 15474740742132.

The previous prime is 23212111113179. The next prime is 23212111113211. The reversal of 23212111113201 is 10231111121232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23212111113201 - 2⁶ = 23212111113137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212111113211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868685185531 + ... + 3868685185536.

It is an arithmetic number, because the mean of its divisors is an integer number (7737370371068).

Almost surely, 2^{23212111113201} is an apocalyptic number.

It is an amenable number.

23212111113201 is a deficient number, since it is larger than the sum of its proper divisors (7737370371071).

23212111113201 is an equidigital number, since it uses as much as digits as its factorization.

23212111113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737370371070.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 23212111113201 its reverse (10231111121232), we get a palindrome (33443222234433).

The spelling of 23212111113201 in words is "twenty-three trillion, two hundred twelve billion, one hundred eleven million, one hundred thirteen thousand, two hundred one".