23121104341211 has 4 divisors (see below), whose sum is σ = 23262951607272. Its totient is φ = 22979257075152.

The previous prime is 23121104341187. The next prime is 23121104341277. The reversal of 23121104341211 is 11214340112132.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23121104341211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121104331211) 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, 70923632786 + ... + 70923633111.

It is an arithmetic number, because the mean of its divisors is an integer number (5815737901818).

Almost surely, 2^{23121104341211} is an apocalyptic number.

23121104341211 is a deficient number, since it is larger than the sum of its proper divisors (141847266061).

23121104341211 is a wasteful number, since it uses less digits than its factorization.

23121104341211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141847266060.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 23121104341211 its reverse (11214340112132), we get a palindrome (34335444453343).

The spelling of 23121104341211 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred four million, three hundred forty-one thousand, two hundred eleven".