23121041001011 has 2 divisors, whose sum is σ = 23121041001012. Its totient is φ = 23121041001010.

The previous prime is 23121041001007. The next prime is 23121041001049. The reversal of 23121041001011 is 11010014012132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23121041001011 - 2² = 23121041001007 is a prime.

It is not a weakly prime, because it can be changed into another prime (23121041001811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560520500505 + 11560520500506.

It is an arithmetic number, because the mean of its divisors is an integer number (11560520500506).

Almost surely, 2^{23121041001011} is an apocalyptic number.

23121041001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121041001011 is an equidigital number, since it uses as much as digits as its factorization.

23121041001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 23121041001011 its reverse (11010014012132), we get a palindrome (34131055013143).

The spelling of 23121041001011 in words is "twenty-three trillion, one hundred twenty-one billion, forty-one million, one thousand, eleven".