23120033121011 has 2 divisors, whose sum is σ = 23120033121012. Its totient is φ = 23120033121010.

The previous prime is 23120033121001. The next prime is 23120033121067. The reversal of 23120033121011 is 11012133002132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120033121011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23120033121001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560016560505 + 11560016560506.

It is an arithmetic number, because the mean of its divisors is an integer number (11560016560506).

Almost surely, 2^{23120033121011} is an apocalyptic number.

23120033121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120033121011 is an equidigital number, since it uses as much as digits as its factorization.

23120033121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23120033121011 its reverse (11012133002132), we get a palindrome (34132166123143).

The spelling of 23120033121011 in words is "twenty-three trillion, one hundred twenty billion, thirty-three million, one hundred twenty-one thousand, eleven".