23121104302211 has 4 divisors (see below), whose sum is σ = 23128049665800. Its totient is φ = 23114158938624.

The previous prime is 23121104302183. The next prime is 23121104302229. The reversal of 23121104302211 is 11220340112132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23121104302211 - 2⁶ = 23121104302147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121104302811) 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, 3472676801 + ... + 3472683458.

It is an arithmetic number, because the mean of its divisors is an integer number (5782012416450).

Almost surely, 2^{23121104302211} is an apocalyptic number.

23121104302211 is a deficient number, since it is larger than the sum of its proper divisors (6945363589).

23121104302211 is an equidigital number, since it uses as much as digits as its factorization.

23121104302211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945363588.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 23121104302211 its reverse (11220340112132), we get a palindrome (34341444414343).

The spelling of 23121104302211 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred four million, three hundred two thousand, two hundred eleven".